Photo Editor and Graphic Design Maker. Power your brand with photo editing and design. Create scroll-stopping images for Facebook, Instagram, Youtube and more. Ads, logos? Them too.

The vector database to build knowledgeable AI.

The vector database for machine learning applications. Build vector-based personalization, ranking, and search systems that are accurate, fast, and scalable.

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• Building a Hybrid Search RAG System with Pinecone and LangChain @ Arpan Roy's Medium.

A Forest of Podcasts, Rooted in the Spirit of Self-Hosting.

Pinepods is a complete podcast management system and allows you to play, download, and keep track of podcasts you enjoy. All self hosted and enjoyed on your own server!

• Pinepods @ GitHub.

TiDB is a distributed NewSQL database compatible with MySQL protocol TiDB (The pronunciation is: /'taɪdiːbi:/ tai-D-B, etymology: titanium) is a distributed SQL database. Inspired by the design of Google F1, TiDB supports the best features of both traditional RDBMS and NoSQL.

• TiDB @ GitHub.

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• Does MariaDB Depend on MySQL? @ HackerNoon.

Get Active Directory Security at 80% in 20% of the time.

PingCastle is an Active Directory vunerability and misconfiguration scanner.

PingCastle @ GitHub.

Uptime and performance monitoring made easy Be the first to know when your website is down.

Painting Made Simple. Simple GTK# Paint Program.

Pinta is a free, open source program for drawing and image editing.

Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, Windows, and *BSD.

• Pinta @ GitHub.

AI Workflows That Agents Build & Run. Open Language for Agents to Build AI Workflows.

The open standard devtool for repeatable AI workflows. Write business logic, not API calls.

• Pipelex @ GitHub.

Pixel Art Converter

Convert Your Images into Pixel Art for Game Development with Our Online Image-to-Pixel Art Converter ⚔️

Daily Earth Data to See Change and Make Better Decisions. Planet provides daily satellite data that helps businesses, governments, researchers, and journalists understand the physical world and take action.

Play DOS games online in your browser.

Bring back some good memories by playing DOS games in a modern way! We currently feature 639 original DOS games to play online in your browser. Login to use our unique cloud save service and continue your game on any other computer!

Your media on all your devices. Watch how Plex makes it possible to enjoy all of your media, whether in your living room, the car, or an igloo in Alaska!

Related contents:

• CLIX - A Plex Terminal Media Player @ GitHub.

The AI-Native Kubernetes Management Platform. AI-Native Kubernetes Management at Enterprise Scale.

Plural is the control plane for platform teams. Bring AI into day-2 operations, automate complex upgrades, and manage Kubernetes fleets across any cloud, data center, or edge — fully under your control.

• Plural @ GitHub.

The tech workforce development company. Pluralsight empowers you to streamline processes. Develop critical tech skills. Cut cycle times. Build happier, healthier tech teams. And transform your goals into gains. All with Pluralsight.

Modern Podcast Hosting and Distribution.

Podhome is the most modern podcast hosting platform.

Open source robotic platform. Open source platform for the creation, use and sharing of interactive 3D printed robots.

Poppy is an interdisciplinary community of beginners and experts, scientists, educators, developers and artists, who all share a vision: robots are powerful tools to learn and be creative.

Poppy Humanoid @ GitHub.

Kubernetes, Docker and Podman Container Management Platform.

• Portainer Community Edition @ GitHub.

Related contents:

• Portainer Terraform Provider @ GitHub.
• Portainer CE : gérer Docker et Podman visuellement @ DevSecOps :fr:.

The world's most advanced open source database.

Related contents:

• You Just Need Postgres.
• Postgres Locks Explained.
• What I Wish Someone Told Me About Postgres @ ChallahScript.
• Logical replication in Postgres: Basics @ EDB.
• Database sharding case study: PostgreSQL @ The Polymathic Engineer.
• I Tried Every Open Source Database and Found Only One That is Actually Useful @ Hacker Noon.
• How direct TLS can speed up your connections @ Marc Bowes.
• PostgreSQL pour remplacer Redis @ Rodolphe Bréard :fr:.
• One more reason to choose Postgres over MySQL @ tanin.
• From 99.9% to 99.99%: Building PostgreSQL Resilience into Your Product Architecture @ Stormatics.
• Handling unique indexes on large data in PostgreSQL @ Volodymyr Potiichuk.
• Postgres Internals Deep Dive: Process Architecture @ EDB Postgres.
• PostgreSQL maintenance without superuser @ boringSQL.
• Postgres’ Original Project Goals: The Creators Totally Nailed It @ Chunchy Data.
• Redis is fast - I'll cache in Postgres @ Dizzy zone.
• PostgreSQL MVCC Explained (Simply!) @ SauravDhakal's Substack.
• Postgres Partitioning Best Practices: Sofia's Story @ Karen Jex.
• Tuning AIO in PostgreSQL 18 @ Tomas Vondra.
• Advanced PostgreSQL Indexing: Multi-Key Queries and Performance Optimization @ Frontend Masters.
• The best worst hack that saved our bacon @ Jefferson Heard.
• Going down the rabbit hole of Postgres 18 features @ xata.
• JIT: so you want to be faster than an interpreter on modern CPUs… @ Pinaraf's website.
• Postgres 18: OLD and NEW Rows in the RETURNING Clause @ crunchy data.
• Benchmarking Postgres 17 vs 18 @ PlanetScale.
• Is Postgres Read Heavy or Write Heavy? (And Why You Should You Care) @ crunchy data.
• Pipelining in psql (PostgreSQL 18) @ PostgreSQL Notes - Daniel Vérité.
• Kafka is fast -- I'll use Postgres @ TopicPartition.
• Redis is fast - I'll cache in Postgres @ Dizzy zone.
• Moving tables across PostgreSQL instances @ Anantha Kumaran.
• Absurd Workflows: Durable Execution With Just Postgres @ Armin Ronacher's Thoughts and Writings.
• Don't give Postgres too much memory @ Tomas Vondra.
• Moving tables across PostgreSQL instances @ Anantha Kumaran.
• Postgres Internals Hiding in Plain Sight @ crunchy data.
• #PostgresMarathon 2-013: Why keep your index set lean @ PostgresAI.
• [99% of Developers Don't Get PostgreSQL @ The Coding Gopher's YouTube](https://www .youtube.com/watch?v=P8rrhZTPEAQ).
• PostgreSQL DBA @ Developer Roadmaps.
• How/Why to Sweep Async Tasks Under a Postgres Table @ taylor.town.
• Instant database clones with PostgreSQL 18 @ boringSQL.
• Go ahead, self-host Postgres @ Pierce Freeman.
• PostgreSQL 18 RETURNING Enhancements: A Game Changer for Modern Applications @ pgEdge.
• The hidden cost of PostgreSQL arrays @ boringSQL.
• Life Altering Postgresql Patterns @ mccue.dev.
• Unconventional PostgreSQL Optimizations @ Haki Benita.
• I Replaced Redis with PostgreSQL (And It's Faster) @ Polliog's dev.to.
• Using PostgreSQL as a Dead Letter Queue for Event-Driven Systems @ Diljit's Corner.
• Introduction to PostgreSQL Indexes @ Dalto Curvelano.
• Introducing: Postgres Best Practices @ supabase.
• Postgres Postmaster does not scale @ recall.ai.
• Futureproofing Tines: Partitioning a 17TB table in PostgreSQL @ tines.
• Database Indexing @ AkashSDas' Medium.
• Scaling PostgreSQL to power 800 million ChatGPT users @ OpenAI.
• Unlocking High-Performance PostgreSQL: Key Memory Optimizations @ Stormatics.
• Six Signs That Postgres Tuning Won't Fix Your Performance Problems @ TigerData.
• PostgreSQL Bloat Is a Feature, Not a Bug @ Roger Welin.
• Read efficiency issues in Postgres queries @ pg mustard.
• The real cost of random I/O @ Tomas Vondra.
• Production query plans without production data @ Boring SQL.
• Rust is slowly but surely eating PostgreSQL: Deep dive into Neon, ParadeDB, PgDog and more @ Sylvain Kerkour.
• How We Optimized Top K in Postgres @ ParadeDB.
• Using Rust and Postgres for everything: patterns learned over the years @ Sylvain Kerkour.
• Ctrl-C in psql gives me the heebie-jeebies @ Neon.
• When upserts don't update but still write: Debugging Postgres performance at scale @ Datadog.
• Introduction to PostgreSQL Indexes @ explain, analyze.
• Keeping a Postgres queue healthy @ PlanetScale.
• I replaced my entire stack with Postgres... @ The Coding Gopher.
• Does Postgres Scale? @ DBOS.
• The "Just Use Postgres" Trap @ CodeOpinion's YouTube.
• How we saved ~40GB of Postgres space wasted on indexes @ Ravi Ojha's peer list.
• Vos requêtes SQL jusqu'à 10000 fois plus rapides, durablement. - Alain LESAGE (DALIBO) @ Devoxx France's YouTube :fr:.
• Handling graphs with SQL/PGQ in PostgreSQL @ Cybertec.
• When failover isn’t safe: Building high-availability PostgreSQL on Kubernetes @ Datadog Engineering.
• The only scalable delete in Postgres is DROP TABLE @ Planetscale.
• The NULL in your NOT IN @ boringSQL.
• The feedback loops behind Kubernetes @ Planetscale.
• Too many tables are bad for you @ Cybertec.
• PostgreSQL and the OOM Killer: Why We Use Strict Memory Overcommit @ ubicloud.
• How to Achieve Pruning When Querying by Non-Partitioned Columns in PostgreSQL @ Haki Benita.
• The four horsemen behind thousands of Postgres outages @ malisper.me.
• PostgreSQL as a temporal database @ xata.
• Repeatable Read vs Snapshot Isolation @ jaymcor.github.io.
• The database that refused to die: How Postgres survived its own creators @ The Register.
• The startup's Postgres survival guide @ Hatchet.
• PostgreSQL's MVCC is bad. So is everyone else's @ Boring SQL.
• The dangers of Postgres subtransactions @ Planetscale.
• Massively parallel Postgres backups @ Planetscale.

This module implements a data type ltree for representing labels of data stored in a hierarchical tree-like structure. Extensive facilities for searching through label trees are provided.

Related contents:

• Hierarchical data types @ Florent Jardin.
• Hierarchical Data in SQL: The Ultimate Guide @ Database Star.

Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Related content:

• Postman is logging all your secrets and environment variables @ a data scientist's Medium.

community based foundry repertory.

PowerDNS is a leading provider of secure open-source and commercial DNS software. PowerDNS solutions are focused on large-scale DNS service providers, including mobile and fixed-line broadband operators, and hosting and cloud service providers. PowerDNS also underpins scalable security solutions from market-leading vendors.

• PowerDNS @ GitHub.

Related contents:

• Gérez vos zones DNS avec PowerDNS @ DevSecOps :fr:.
• Pilotez PowerDNS avec PowerDNS-Admin @ DevSecOps :fr:.
• Enregistrer les IP dans PowerDNS avec Terraform @ DevSecOps :fr:.

A powerful application for disc burning, archive and image file processing, virtual drive, and bootable USB drive creation

PowerISO is a powerful application which can do lots of task, such as disc burning and imaging, archive and image file processing, virtual drive, and bootable USB drive creation. It provides an all-in-one solution and supports most popular archives and disc image files.

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• Episode 649: Burned by AI @ Linux Unplugged.

Serveur mail et hébergement e-mail professionnel avec antispam.

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• PowerMail - Quand une petite équipe française défie les géants de l'email @ Korben :fr:.

Workflow Orchestration Made Simple. Stop wondering about your workflows. The orchestrator for people who have done orchestration before.

Prefect is a workflow orchestration tool empowering developers to build, observe, and react to data pipelines. Prefect is an orchestration and observability platform for building, observing, and triaging workflows. It's the simplest way to transform Python code into an interactive workflow application.

Prefect allows you to expose your workflows through an API so teams dependent on you can programmatically access your pipelines, business logic, and more. Prefect also allows you to standardize workflow development and deployment across your organization.

• Prefect @ GitHub.

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• An Open-Source Maintainer's Guide to Saying No @ Mostly Harmless.

Free Online SEO Tools. With Over 150 Online Tools, PREPOSTSEO Helping Millions of Webmasters, Students, Teachers & SEO Experts Every Month.

Maximiser votre chiffre d'affaires grâce au Dynamic Pricing

A self-improving RLM agent for coding workflows and long-running autonomous tasks.

Prime Agent is an open-source coding and research agent for general and long-running work.

• Prime Agent @ GitHub.

Related contents:

• #1030: AI Assistant Hacks Gym @ Syntax.
• Introducing Prime Agent @ Prime Intellect's X.

This case for your raspberry pi 5, 4, or 3 is designed to hold up to 10tb of storage. the case features 2 full sized HDMI ports, a USB c power in, Ethernet port, a screen to display stats and good airflow.

• Raspberry Pi NAS – Du stockage réseau DIY performant et économique ! @ Korben :fr:.

Next-generation Node.js and TypeScript ORM for Databases. Prisma helps app developers build faster and make fewer errors with an open source database toolkit for PostgreSQL, MySQL, SQL Server, and SQLite.

• Prisma @ GitHub.

Related contents:

• Guide complet de Prisma avec NextJS @ codelynx.dev :fr:.

Make great React apps, ultra fast. Build exceptional React apps with blazing speed. Prismane is an innovative have-it-all React UI library

• Prismane @ GitHub.
• An Overview of Prismane – An Open-Source React UI Library @ freeCodeCamp.

Competitor Price Tracking & Monitoring Software

Prisync is a competitor price tracking and monitoring software for all sizes of e‑commerce companies.

Your Independent Privacy and Security Resource. The guide to restoring your online privacy.

Massive organizations are monitoring your online activities. Privacy Guides is your central privacy and security resource to protect yourself online.

• Privacy Guides @ GitHub.

Independent Privacy & Security Resources. The collaborative privacy advocacy community. Protect your data against global mass surveillance programs.

Privacy Guides is a socially motivated website that provides information for protecting your data security and privacy. Our mission is to inform the public about the value of digital privacy, and global government initiatives which aim to monitor your online activity. We are a non-profit collective operated entirely by volunteer team members and contributors. Our website is free of advertisements and not affiliated with any of the listed providers.

• Privacy Guides @ GitHub.

A Simple Free Productivity Tool.

LeechBlock iconLeechBlock NG is a simple productivity tool: a web browser extension designed to block those time-wasting sites that can suck the life out of your working day. (You know: the ones that rhyme with ‘Blue Cube’, ‘Space Hook’, ‘Sticky Media’, ‘Quitter’, and the like.) All you need to do is specify which sites to block and when to block them.

• LeechBlockNG for Firefox @ GitHub.
• [LeechBlockNG for Chrome @ GitHub]https://github.com/proginosko/LeechBlockNG-chrome).
• LeechBlockNG for Edge @ GitHub.

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• LeechBlock - L'extension qui vous sauve de la procrastination @ Korben :fr:.

Share files with your clients from your own server. Open source, free software.

See: https://github.com/projectsend/projectsend

A CSS analyzer that goes through your CSS to find all kinds of relevant statistics.

CSS Analyzer @ GitHub.

Secure & reliable LLMs. Test & secure your LLM apps. Open-source LLM testing used by 51,000+ developers.

Test your prompts, agents, and RAGs. Red teaming, pentesting, and vulnerability scanning for LLMs. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and CI/CD integration.

• promptfoo @ GitHub.

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• L’IA Deepseek censurée à propos de la Chine ? @ Choses à Savoir TECH :fr:.
• Promptfoo - Fini le doigt mouillé pour tester vos LLM @ Korben :fr:.

🐙 Guides, papers, lecture, notebooks and resources for prompt engineering.

Prompt engineering is a relatively new discipline for developing and optimizing prompts to efficiently use language models (LMs) for a wide variety of applications and research topics. Prompt engineering skills help to better understand the capabilities and limitations of large language models (LLMs).

• Prompt Engineering Guide @ GitHub.
• AI tools for software engineers, but without the hype – with Simon Willison (co-creator of Django) @ The Pragmatic Engineer.

Core building blocks for AI apps. High-quality, accessible, and customizable components for AI interfaces.

Build chat experiences, AI agents, autonomous assistants, and more, quickly and beautifully.

• prompt-kit @ GitHub.

Powerful open-source server solutions.

Related contents:

• The BEST alternative to Docker and VMs! // Proxmox LXC @ Chistian Lempa's YouTube.
• Proxmox 9.1 Can Now Run Containers… But Should You? @ Techno Tim's YouTube.
• Stop Giving PVE Full Access! (Secure Proxmox Backup Setup) @ Lawrence Systems' YouTube.
• Proxmox Local Storage Explained: Why I Recommend ZFS Over Ceph for Small Clusters @ Lawrence Systems' YouTube.
• 5 Proxmox Fixes Worth Doing This Weekend @ VirtualizationHowto's YouTube.

Uncensored Internet access for Windows and Mobile

PULPino is an open-source microcontroller system, based on a small 32-bit RISC-V core developed at ETH Zurich. The core has an IPC close to 1, full support for the base integer instruction set (RV32I), compressed instructions (RV32C) and partial support for the multiplication instruction set extension (RV32M). It implements several ISA extensions such as: hardware loops, post-incrementing load and store instructions, ALU and MAC operations, which increase the efficiency of the core in low-power signal processing applications.

• Pulpino @ GitHub.

Infrastructure as Code in Any Programming Language. Open Source Infrastructure as Code. Manage infrastructure, secrets, and configurations intuitively on any cloud.Build infrastructure intuitively on any cloud using familiar languages 🚀.

Pulumi's Infrastructure as Code SDK is the easiest way to build and deploy infrastructure, of any architecture and on any cloud, using programming languages that you already know and love. Code and ship infrastructure faster with your favorite languages and tools, and embed IaC anywhere with Automation API.

• Pulumi @ GitHub.

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• Terraform vs. Pulumi: Which Is Better for Your IaC Requirements? @ DZone.
• Pimp your Kubernetes cluster with Pulumi @ yodamad's quick blog.
• Tranches de Tech 13 - De la tech et du coeur :fr:.

Pure-FTPd is a fast, production-quality, standard-conformant FTP server, based upon Troll-FTPd.

The server has been designed to be secure in default configuration, it has no known vulnerability, it is really trivial to set up and it is especially designed for modern kernels. It was successfully ported to Linux, FreeBSD, Dragonfly BSD, NetBSD, OpenBSD, OSX, AIX and more.

Pure-FTPd @ GitHub.

#1 Active Directory security assessment community tool

Active Directory, Azure AD (now called Entra ID), and Okta vulnerabilities can give attackers virtually unrestricted access to your organization’s network and resources. Semperis built Purple Knight—a free AD, Azure AD, and Okta security assessment tool—to help you discover indicators of exposure (IoEs) and indicators of compromise (IoCs) in your hybrid AD environment. Download Purple Knight and dramatically reduce your AD attack surface today.

Helping developers build and publish PWAs.

The simplest way to create progressive web apps across platforms and devices. Start here. This repo is home to several projects in the PWABuilder family of tools.

PWABuilder @ GitHub.

Pygame is a set of Python modules designed for writing games. It is written on top of the excellent SDL library. This allows you to create fully featured games and multimedia programs in the python language. Pygame is highly portable and runs on nearly every platform and operating system.

• Pygame @ GitHub.

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• What I learned designing a (barebones) UI engine @ made by mohammed.

The Content Management System built for you!

PyroCMS is used by individuals, small & medium-sized businesses, and large organizations worldwide to easily create & build a variety of websites & web-enabled applications.

Welcome to the Python Graph Gallery, a collection of hundreds of charts made with Python. Charts are organized in about 40 sections and always come with their associated reproducible code. They are mostly made with Matplotlib and Seaborn but other library like Plotly are sometimes used.

Create GUI applications with Python and Qt. Create professional user-interfaces for your Python apps. Stop searching for how to create GUI applications with Python — it's all here. I've been teaching Python & Qt for 8 years, helping thousands of developers just like you to bring their apps to life. Let's make your project a success!

Python is a programming language that lets you work quickly and integrate systems more effectively.

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• Python: The Documentary | An origin story @ CultRepo's YouTube (source: Python - Comment un petit projet de Noël est devenu le langage de l'IA et de la science @ Korben :fr:).
• I'm Switching to Python and Actually Liking It @ César Soto Valero.
• Python has had async for 10 years -- why isn't it more popular? @ Anthony Shaw.
• Why Today’s Python Developers Are Embracing Type Hints @ Pyrefly.
• The Parameter Laboratory: Decorators with Arguments @ Aaron Rose's dev.to.
• Why Is Python So Popular in 2025? @ JetBrains Blog.
• Why Reactive Programming Hasn't Taken Off in Python (And How Signals Can Change That) @ bui.app.
• Python's splitlines does a lot more than just newlines @ william woodruff.
• dev-requirements.txt is bad @ koaning.io.
• The future of Python web services looks GIL-free @ Fluxus.
• How often does Python allocate? @ zackoverflow.
• 10 Smart Performance Hacks For Faster Python Code @ Jetbrains Blog.
• Python is not a great language for data science. Part 1: The experience @ Genes, Minds, Machines.
• Use Python for Scripting! @ hyPiRion.
• Deprecations via warnings don’t work for Python libraries @ Seth Larson.
• 4 mois de Python de manière intensive: mon retour sur le langage @ (mcorbin.fr) :fr:.
• Python Numbers Every Programmer Should Know @ Michael Kennedy.
• WebAssembly as a Python extension platform @ null program.
• Stop Writing Spaghetti if-else Chains: Parsing JSON with Python’s match-case @ toward data science.
• Python Basics: The Complete Beginner’s Guide to Programming in 2026 🐍 @ Peter Njuguna's Medium.
• How we made Python's packaging library 3x faster @ ISciNumPy.dev.
• Python Only Has One Real Competitor @ Ethan McCue.
• Python Type Checker Comparison: Empty Container Inference @ Pyrefly.
• The Story of Python's Lazy Imports: Why It Took Three Years and Two Attempts @ TechLife.

Turn SOC Noise into Real Signals. Autonomous SOC Platform.

Qevlar AI investigates every alert like your top analyst would. So your SOC focuses on real threats, not alert firefighting.

Related contents:

• Episode #536 consacré à l’automatisation des investigations du SOC @ NoLimitSecu :fr:.

Data Integration, Data Quality, & Analytics Solutions.

Qlik, now with Talend, delivers a data fabric for modern data architectures and next-gen analytics powered by Qlik Staige™, a suite of AI and machine learning capabilities.

DevOps Automation Platform - Enable Developers Self-Service.

Qovery is a DevOps Automation Platform that eliminates your DevOps hiring needs. Provision and maintain a secure and compliant infrastructure in hours - not months!

• #302.src - Clusters: L'orchestrateur universel avec Benjamin Chastanier @ <ifttd> :fr:.

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

• QOwnNotes @ GitHub.
• QOwnNotesAPI @ GitHub.

A reasonably secure operating system.

Qubes OS is a free and open-source, security-oriented operating system for single-user desktop computing. Qubes OS leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes.

Queer Liberation Library (QLL) is fighting to build a vibrant, flourishing queer future by connecting LGBTQ+ people with literature, information, and resources that celebrate the unique and empowering diversity of our community.

Related contents:

• library spotlight queer liberation library @ Sightless Scribbles.

Dynamic Work & Complex Project Management Platform. Turn complex systems into simple work environments. Make work easier with Quickbase.

Privacy friendly, full-featured, iOS scanner with OCR, signatures, and automation

Related contents:

• Episode 631: Offline By Default @ Linux Unplugged.