Debezium is an open source distributed platform for change data capture. Start it up, point it at your databases, and your apps can start responding to all of the inserts, updates, and deletes that other apps commit to your databases. Debezium is durable and fast, so your apps can respond quickly and never miss an event, even when things go wrong.

• Debezium @ GitHub.

Related contents:

• Code first CDC from Postgres to ClickHouse with Debezium, Redpanda, and MooseStack @ Fileonefour (Code-First CDC to ClickHouse with Debezium, Redpanda, and MooseStack @ GitHub).
• Change Data Capture Tools @ Dev Genius' Medium.
• The Equality Delete Problem in Apache Iceberg @ Data Engineer Things' Medium.
• You Gotta Push If You Wanna Pull @ Gunnar Morling.
• Keep your cache always fresh with Debezium! (Current 22) @ SpeakerDeck.
• A Deep Dive Into Ingesting Debezium Events From Kafka With Flink SQL @ Gunnar Morling.
• The challenges of soft delete @ atlas9 blog.

AI design tools for inspiration. Your smart design companion.

Not just a suite of AI tools, but a creative partner for design inspiration. Boost your design process and eliminate the daunting blank page with clever recommendations and useful visuals.

Start building your movie and TV show library with truly unlimited storage size.

• Debrid Media Manager @ GitHub.

Open source content management for your Git workflow.

A CMS for static site generators. Give users a simple way to edit and add content to any site built with a static site generator.

• Decap CMS @ GitHub.
• 081 - Dans la jungle des CMS headless @ Double Slash :fr:.

Make your Dockerfile proud of itself.

Dockadvisor is a free online Dockerfile analyzer that helps you write better, more efficient Docker configurations. Paste your Dockerfile to get instant feedback on best practices, issues, and optimization opportunities.

• Dockadvisor @ GitHub.

From Hidden Flows to Public Insight.

DecryptAds is a programmatic supply chain transparency platform built by Svart Works Inc. We map ads.txt, app-ads.txt, sellers.json, buyers.json, and adagents.json; surface risk across publishers, data brokers, and ad tech intermediaries; and give researchers, operators, and the public tools to investigate what is really happening behind the bid stream.

Related contents:

• Who’s Tracking You? Use This New Service to Find Out @ KrebsonSecurity.

Apply effects to photo that mimic your favorite artist

Fully customizable AI chatbot component for your website.

Deep Chat is a fully customizable AI chat component that can be injected into your website with just one line of code. Whether you want to create a chatbot that leverages popular APIs such as ChatGPT or connect to your own custom service, this component can do it all!

• Deep Chat @ GitHub.

Real-Time Face Swapping and One-Click Video Deepfake Tool. The Next Leap in Real-Time Face Swapping and Video Deepfake Technology.

Deep Live Cam harnesses cutting-edge AI to push the boundaries of real-time face swapping and video deepfakes. Achieve high-quality face replacement with just a single image.

• Deep Live Cam @ GitHub.

Analytics and data science notebook for teams. Jupyter notebook for the AI era.

• Link Snowflake, BigQuery, CSVs, and 60+ data sources

• Write in Python, SQL, R — or just prompt Deepnote Agent

• Build powerful data apps and dashboards with AI

• Deepnote @ GitHub.

An open source conversational AI framework. DeepPavlov makes it easy for beginners and experts to create dialogue systems.

• DeepPavlov @ GitHub.
• DeepPavlov Agent @ GitHub.

Related contents:

• DeepPavlov Agent: Open-source Framework for Multiskill Conversational AI - ML Conf EU 2020 @ GitNation.

A French corpus with surface and deep syntactic annotations

Personal tutoring, reimagined.

Agent-native Learning Companion that grows with you. Fully Open-Sourced.

• DeepTutor @ GitHub.

AI documentation you can talk to, for every repo.

Related contents:

• DeepWiki: Understand Any Codebase @ AI Tidbits.

Deep Research at Your Fingertipsat Your Fingertips

Meet DeerFlow, your personal Deep Research assistant. With powerful tools like search engines, web crawlers, Python and MCP services, it delivers instant insights, comprehensive reports, and even captivating podcasts.

DeerFlow is a community-driven Deep Research framework, combining language models with tools like web search, crawling, and Python execution, while contributing back to the open-source community.

• 🦌 DeerFlow @ GitHub.

Open Source Enterprise SSO & VPN. The only open-source solution with real WireGuard® MFA/2FA & integrated OpenID Connect SSO.

• defguard @ GitHub.

Related contents:

• Defguard @ is it really FOSS?.

Cross platform game engine. The ultimate game engine for web and mobile.

Defold is a completely free to use game engine for development of desktop, mobile and web games.

• Defold @ GitHub.

Get the main content of any page as Markdown.

Defuddle extracts the main content from web pages. It cleans up web pages by removing clutter like comments, sidebars, headers, footers, and other non-essential elements, leaving only the primary content.

• Defuddle @ GitHub.

Related contents:

• 1,65 million de vues en 30 jours : comment j'ai automatisé la diffusion de ma veille techno @ Camille Roux :fr:.

Search engine aggregator with a comprehensive plugin/extension system.

Search aggregator that queries multiple engines and shows results in one place. You can add custom search engines, bang-command plugins, slot plugins (query-triggered panels above/below results or in the sidebar), and transports (custom HTTP fetch strategies like curl, FlareSolverr, or your own). The dream would be to eventually have a user made marketplace for plugins/engines.

• Degoog @ GitHub.

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams.

Secure Credential Sharing.

Share sensitive credentials and secrets securely with client-side AES-256 encryption, zero-knowledge architecture, and automatic self-destruction.

• DELE.TO @ GitHub.

digital indie toolkit for computer touchers. the open source toolkit for digital creatives

delphitools is a collection of over 80 simple, local-only tools that run in your browser and all solve a problem that I, delphi, have personally had. It is implemented in Ember.js and Crayon CSS for styling.

• delphitools @ GitHub.

Delta Chat is a decentralized and secure messenger app.

💬 Reliable instant messaging with multi-profile and multi-device support.

• Delta Chat @ GitHub.

A Multiplayer Environment for Coding with Agents.

Related contents:

• Introducing Delta @ Zed.
• #1029: The Workflow of the Future With Zed @ Syntax.

Delta Fonts is an archive of logo fonts, music band fonts, sports fonts, TV fonts and more. You can browse or search thousands of logos in our database and find the fonts used for them. We are constantly identifying fonts used in company logos, music logos and sports logos etc and updating our database.

Delta Lake is an open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs for Scala, Java, Rust, Ruby, and Python.

BookLogr is a web app designed to help you manage your personal book library with ease. This self-hosted service ensures that you have complete control over your data, providing a secure and private way to keep track of all the books you own, read, or wish to read. Optionally you can also display your library proudly to the public, sharing it with your friends and family.

• BookLogr @ GitHub.

CSS Gradient Generator -demo coding

A self-hosted, database-less note-taking web app that utilises a flat folder of markdown files for storage.

• flatnotes @ GitHub.

Visual Editor for Kubernetes Deployments.

KubeForge is a visual-first toolkit that simplifies the process of building, validating, and managing Kubernetes deployment configurations. Whether you're new to Kubernetes or maintaining large-scale systems, KubeForge streamlines the creation of valid deployment YAMLs using an intuitive interface backed by live schema references.

• KubeForge @ GitHub.

A calm, CLI-native way to semantically grep everything, like code, images, pdfs and more.

• mgrep @ GitHub.

Community driven Dendritic Nix configurations.

Editor-distributions like those for nvim/emacs provide community-driven, opinionated configurations that can be easily reused and enabled by newcomers.

The dendrix project aims to provide the same experience: having community-managed, author-maintained and no-barrier-of-entry setups for everything that can be configured using flake-parts modules.

• Dendrix @ GitHub.

Related contents:

• Elevate Your Nix Config With Dendritic Pattern @ Vimjoyer's YouTube.

the next-generation JavaScript runtime

• Deno @ GitHub.

Related contents:

• Deno 2 with Ryan Dahl @ Syntax.
• Limitations vs. Capabilities @ Jim Nielsen’s Blog.
• How to get deep traces in your Node.js backend with OTel and Deno @ Deno blog.
• Using Deno as my game engine @ Explodi.
• Node.js vs Deno vs Bun Performance Benchmarks @ RepoFlow.

dentOS is a SwitchDev based NOS built on top of Open Network Linux

As a Linux Foundation project, DENT utilizes the Linux Kernel, Switchdev, and other Linux based projects as the basis for building a new standardized network operating system without abstractions or overhead. All underlying infrastructure — including ASIC and Silicon for networking and datapath — is treated equally; while existing abstractions, APIs, drivers, low-level overhead, and other open software are simplified. DENT unites silicon vendors, ODMs, SIs, OEMs, and end users across all verticals to enable the transition to disaggregated networks.

dentOS @ GitHub.

A simple but powerful deobfuscator to remove common JavaScript obfuscation techniques.

• JavaScript Deobfuscator @ GitHub.

Related contents:

• I'm Building a Browser for Reverse Engineers @ nullpt.rs.

Software Bill of Materials (SBOM) Analysis.

• Dependency-Track @ GitHub.
• Démarrer avec Dependency Track @ Culture et Outils DevSecOps :fr:.

The deployment tool for PHP.

The PHP deployment tool with support for popular frameworks out of the box.

• Deployer @ GitHub.
• Deployer: Build and Cache Frontend Assets once using GitHub Actions @ Stefan Zweifel.
• Veille de la semaine du 5 août 2024 @ Veille de la semaine's Substack :fr:

The Open Source Insights page for each package shows the full dependency graph and updates it every day. The information provided can help you make informed decisions about using, building, and maintaining your software.

Related contents:

• Episode #497: sécurisation de la chaîne d’approvisionnement logicielle (software supply chain) @ NoLimitSecu :fr:.

🔽 Display any CSV (comma separated values) file as a searchable, filterable, pretty HTML table

• CSV to HTML Table @ GitHub.

On-device AI models and SDKs. Little brains in every product.

The fastest models for your task, running on-device. Small models that each do one job very well, with one native SDK that drops them into any product in a few lines of code.

• Desert Ant Core @ GitHub.

Related contents:

• #140: News septembre 2026 RC2, Tailwind rejoint Shopify, des tokens gratuits et Homebrew UI @ Double Slash :fr:.

💌 Free, Open Source HTML Email Editor and Designer. Free, open source, HTML email template editor and no code designer.

• SENDUNE Email Designer @ GitHub.

Public DESIGN.md registry. THE PUBLIC REGISTRY FOR DESIGN AGENTS

DESIGN.md files that coding and design agents read to generate consistent UI.

Concevons des services publics numériques accessibles, inclusifs et humains.

Les services publics numériques sont encore trop souvent conçus sans prendre en compte l’audience qu’ils servent. Nous mettons à la disposition des administrations des idées et outils pour améliorer l’expérience usager de leurs services.

DesignValley is the ultimate design tool depository. Find, vote, save and share your favorite design tools now!

A minimalist, keyboard-driven local first PWA startpage for your services.

• JumpKey @ GitHub.

Terminal Commands and File Editing for Claude.

This is MCP server for Claude that gives it terminal control, file system search and diff file editing capabilities.

• Desktop Commander MCP @ GitHub.

Beautiful creative nature themed desktop wallpaper by the worlds best artists and designers.

Creative nature themed desktop wallpapers. At their best, desktop wallpapers bring animation to often lifeless computer screens, reflecting the personality of the user and acting as a calling card for creative talent. Designers and developers spend about 90% of their waking life in front of a computer so the most appealing genre for a wallpaper would be one that has beautiful design mixed with the all important aspect of being outdoors.

detect security breaches on web sites

Detection Skills is an open standard for the Agentic SOC, that transforms static detections into agentic workflows. Designed and used by Cyber Defense Engineers, it brings the best your team can do - to every alert.

• Detection Skills @ GitHub.

Turn ideas into detections your SIEM understands. Generate Sigma, KQL, and SPL rules with tests and playbooks in seconds.

DetectPack Forge turns plain-English behaviors or sample logs into production-ready detection packs — Sigma, KQL (Sentinel), SPL (Splunk) — plus tests and a response playbook, mapped to MITRE ATT&CK, fully powered by Gen AI.

• DetectPack Forge @ GitHub.

Determinate Nix is the easy button for Nix. Simple, secure, and confident. Stop fussing with the maintenance and just build.

• Announcing Determinate Nix @ Determinate Systems.

Code Intelligence Knowledge Graph for AI Coding Agents.

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

The fastest, most efficient code intelligence engine for AI coding agents. It indexes any repository into a persistent knowledge graph — full-indexing an average repo in seconds and the Linux kernel in 3 minutes — so your agent answers structural questions with ~120x fewer tokens. Tree-sitter parsing across 158 languages, Hybrid LSP type resolution, single static C binary.

• codebase-memory-mcp @ GitHub.

AI-Powered Debugging & Development Monitoring.

Captures your web app's complete development timeline - server logs, browser events, console messages, network requests, and automatic screenshots - in a unified, timestamped feed for AI debugging.

• dev3000 @ GitHub.

A dashboard where every widget is a function.

No query builder, no plugin format, no YAML dialect to learn. A widget is a TypeScript file on disk that returns data. The platform runs it on a schedule, on an MQTT message or on a webhook, checks what came back against a typed schema, and pushes it to every open tab.

• n-dashboard @ GitHub.

FormEasy is a free and open source solution that lets you receive forms from your sites, apps and servers very easily

FormEasy @ GitHub.

DevDocs combines multiple API documentations in a fast, organized, and searchable interface.

An Alpine & Tailwind UI Library.

Pines is a library of animations, sliders, tooltips, accordions, modals, and more! It's a set of UI elements that can be copy and pasted into any Alpine and Tailwind projects.

• Pines UI Library @ GitHub.

Related contents:

• Symfony + PinesUI : Un combo ultra-léger pour tes interfaces 🎨 @ YoanDev :fr:.

Inject web platform expertise, best practices, and modern API patterns directly into your AI coding agents.

Modern Web Guidance is an agent skill (aka SKILL.md) with a CLI that helps coding agents build better web applications using modern, high-performance, accessible, and secure APIs instead of legacy workarounds.

• Modern Web Guidance @ GitHub.

Workbox is a set of service worker libraries and tools that make it easy to build an offline PWA and take advantage of the service worker APIs.

Accelerating your DevOps with pyATS & Genie.

pyATS is an end-to-end DevOps automation ecosystem. Agnostic by design, pyATS enable network engineers to automate their day-to-day DevOps activities, perform stateful validation of their device operational status, build a safety-net of scalable, data-driven and reusable tests around their network, and visualize everything in a modern, easy to use dashboard.

• pyats @ Python Package Index.
• Networking: How Useful is pyATS in NetDevOps? @ HackerNoon.