self-hosted
Finetune AI & LLMs faster. Web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.
Unslow AI training & finetuning Get 30x faster with unsloth. 5X faster 60% less memory QLoRA finetuning. Finetune Mistral, Gemma, Llama 2-5x faster with 70% less memory!
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email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
Team knowledge base & wiki. A fast, collaborative, knowledge base for your team built using React and Node.js.
Your team’s knowledge base. Lost in a mess of Docs? Never quite sure who has access? Colleagues requesting the same information repeatedly in chat? It’s time to get your team’s knowledge organized.
filebrowser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit your files. It allows the creation of multiple users and each user can have its own directory. It can be used as a standalone app.
The Open Source Firebase Alternative with GraphQL
Nhost is an open-source backend and development platform that enables developers to build and scale their web and mobile apps.
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The Unified Apache Beam Model. The easiest way to do batch and streaming data processing. Write once, run anywhere data processing for mission-critical production workloads.
Apache Beam is a unified programming model for Batch and Streaming data processing. Apache Beam is a unified model for defining both batch and streaming data-parallel processing pipelines, as well as a set of language-specific SDKs for constructing pipelines and Runners for executing them on distributed processing backends, including Apache Flink, Apache Spark, Google Cloud Dataflow, and Hazelcast Jet.
Easily capture and share your great thoughts. Open Source and Free forever. A privacy-first, lightweight note-taking service.
Monitor your security cameras with locally processed AI. NVR with realtime local object detection for IP cameras.
Frigate is an open source NVR built around real-time AI object detection. All processing is performed locally on your own hardware, and your camera feeds never leave your home.
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Self-hosted app for Time Tracking, Invoice Generation, Project & Client Management, built with Laravel & Filament.
Build internal tools in minutes, the easy way.
Low code platform for creating internal tools, workflows, and admin panels in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s, and more 🚀. Budibase, the low code platform you'll enjoy using ⚡.
Opensource, self-hosted AI coding assistant.
Tabby is a self-hosted AI coding assistant, offering an open-source and on-premises alternative to GitHub Copilot.
monitor and alert. Get alerted when services go down or metrics go crazy. Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty
Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity. (Nagios, I'm mainly looking at you.)
It provides a web interface that allows you to monitor services (e.g. "Stage Redis server", "Production ElasticSearch cluster") and send telephone, sms or hipchat/email alerts to your on-duty team if those services start misbehaving or go down - all without writing a line of code. Best of all, you can use data that you're already pushing to Graphite/statsd to generate alerts, rather than implementing and maintaining a whole new system of data collectors.
GLPI is a Free Asset and IT Management Software package, Data center management, ITIL Service Desk, licenses tracking and software auditing.
The CNCF candidate for observability visualisation. Already supports Prometheus - more data sources to come! It aims to become a standard dashboard visualization tool for Prometheus and other datasources. It will focus on being GitOps-compatible and thus enabling a smooth "dashboards as code" workflow via a new and well-defined dashboard definition model.
Sonic is a fast, lightweight and schema-less search backend. It ingests search texts and identifier tuples that can then be queried against in a microsecond's time.
Ideas grow better together.
HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.
You can use it to easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers and they’re ready to go.
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Securely Send a Password.
🔐 An application to securely communicate passwords over the web. Passwords automatically expire after a certain number of views and/or time has passed. Track who, what and when.
locally hosted web application that allows you to perform various operations on PDF files.
This is a powerful locally hosted web based PDF manipulation tool using docker that allows you to perform various operations on PDF files, such as splitting merging, converting, reorganizing, adding images, rotating, compressing, and more. This locally hosted web application started as a 100% ChatGPT-made application and has evolved to include a wide range of features to handle all your PDF needs.
RSS-Bridge is a PHP project capable of generating RSS and Atom feeds for websites that don't have one. It can be used on webservers or as a stand-alone application in CLI mode.
open source big data platform.
Trunk Data Platform is an Open Source, free, Hadoop distribution.
The Kubernetes control plane manager.
An open source control plane manager for unified cluster management. k0smotron allows you to unify your Kubernetes cluster management for an efficient use of resources. It’s designed for k0s.
Follow your favorite news letters and keep an 👀 on the latest technologies news.
Open Source Feature Flag & Remote Config Service.
Flagsmith is an open source, fully featured, Feature Flag and Remote Config service. Use our hosted API, deploy to your own private cloud, or run on-premise.
Cloud-Native API Gateway.
Apache APISIX provides rich traffic management features like Load Balancing, Dynamic Upstream, Canary Release, Circuit Breaking, Authentication, Observability, etc.
The open source project management tool.
Open Source JIRA, Linear and Height Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.
Open-source Solution for AI Quality. The testing framework dedicated to ML models, from tabular to LLMs Scan AI models to detect risks of biases, performance issues and errors. In 4 lines of code.
A platform for the machine learning lifecycle.
MLflow is a platform to streamline machine learning development, including tracking experiments, packaging code into reproducible runs, and sharing and deploying models. MLflow offers a set of lightweight APIs that can be used with any existing machine learning application or library (TensorFlow, PyTorch, XGBoost, etc), wherever you currently run ML code (e.g. in notebooks, standalone applications or the cloud). MLflow's current components are:
Web-based vector graphics editor and design tool.
Graphite is an in-development raster and vector graphics package that's free and open source. It is powered by a node graph compositing engine that fuses layers with nodes, providing a fully nondestructive editing experience.
BloodHound uses graph theory to reveal the hidden and often unintended relationships within an Active Directory or Azure environment. Attackers can use BloodHound to easily identify highly complex attack paths that would otherwise be impossible to quickly identify. Defenders can use BloodHound to identify and eliminate those same attack paths. Both blue and red teams can use BloodHound to easily gain a deeper understanding of privilege relationships in an Active Directory or Azure environment.
Ship AI features in minutes. Pezzo enables you to build, test, monitor and instantly ship AI all in one platform, while constantly optimizing for cost and performance.
🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.
Openrouteservice is a open source route planner with plenty of features for car, heavy vehicles, hiking, cycling and wheelchair.
This application implements a map client for the openrouteservice API as Single Page Application (SPA). It is a base application that can be used for multiple purposes, customized via configurations and extended via plug-ins.
A simple, web based IT Service Management tool.
iTop stands for IT Operations Portal. It is a complete open source and web-based IT service management platform, including a fully customizable CMDB, a helpdesk system, and a document management tool. It is ITIL compliant and easily customizable and extensible thanks to a high number of add-ons and web services to integrate with your IT.
Quickly discover the attack surface, and identify vulnerabilities using highly customizable and powerful scan engines. Enjoy peace of mind with reNgine's continuous monitoring, deeper reconnaissance, and open-source powered Vulnerability Scanner.
reNgine is an automated reconnaissance framework for web applications with a focus on highly configurable streamlined recon process via Engines, recon data correlation and organization, continuous monitoring, backed by a database, and simple yet intuitive User Interface. reNgine makes it easy for penetration testers to gather reconnaissance with minimal configuration and with the help of reNgine's correlation, it just makes recon effortless.
(Self fix): a tool allowing users to solve their issues themselves and reduce tickets/calls to your support team.
Paisa is a Personal finance manager. It builds on top of the ledger double entry accounting tool.
Web-based tool that allows comparing symbol, type and syscall information of Microsoft Windows binaries across different versions of the OS.
WinDiff is an open-source web-based tool that allows browsing and comparing symbol, type and syscall information of Microsoft Windows binaries across different versions of the operating system. The binary database is automatically updated to include information from the latest Windows updates (including Insider Preview).
The Markdown CMS. A CMS With Version Control Built-in.
Tina is a headless content management system with support for visual editing and Git.
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An editor that converts images to pixel art, add dither, set palettes, and more! Made entirely in p5js.
Identity, Policy, Audit.
Manage Linux users and client hosts in your realm from one central location with CLI, Web UI or RPC access. Enable Single Sign On authentication for all your systems, services and applications.
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The powerful and easiest way to run File Upload/sharing Service on your website. Trusted by thousands of webmasters since 2007.
A Gradio web UI for Large Language Models. Supports transformers, GPTQ, llama.cpp (GGUF), Llama models.
Dolt is Git for data. The world's first and only version-controlled SQL database.
Dolt is a SQL database that you can fork, clone, branch, merge, push and pull just like a Git repository.
Connect to Dolt just like any MySQL database to read or modify schema and data. Version control functionality is exposed in SQL via system tables, functions, and procedures.
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Free and Open-Source CalDAV and CardDAV Server.
Radicale is a small but powerful CalDAV (calendars, to-do lists) and CardDAV (contacts) server.
Protect your business, scale your security. Open Source Vulnerability Management Platform.
Security has two difficult tasks: designing smart ways of getting new information, and keeping track of findings to improve remediation efforts. With Faraday, you may focus on discovering vulnerabilities while we help you with the rest. Just use it in your terminal and get your work organized on the run. Faraday was made to let you take advantage of the available tools in the community in a truly multiuser way.
Faraday aggregates and normalizes the data you load, allowing exploring it into different visualizations that are useful to managers and analysts alike.
Telehealth Open Source software. Simple & Secure remote consultations solution.
Open source clones of popular sites.
100+ open-source clones and alternatives of popular sites like Airbnb, Amazon, Instagram, Netflix, Tiktok, Spotify, Whatsapp, Youtube, etc. List contains source code, tutorials, demo links, tech stack, and GitHub stars count. Great for learning purpose!
Privacy-focused lightweight commenting engine.
Remark42 allows you to have a self-hosted, lightweight, and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.
Fully customisable, offensive security reporting solution designed for pentesters, red teamers and other security-related people alike.
SysReptor is a fully customisable, offensive security reporting solution designed for pentesters, red teamers and other security-related people alike. You can create designs based on simple HTML and CSS, write your reports in user-friendly Markdown and convert them to PDF with just a single click, in the cloud or self-hosted!
🕵️♂️ All-in-one OSINT tool for analysing any website. Comprehensive, on-demand open source intelligence for any website.
Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.
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Online student advising system.
FlightPath is the powerful open-source academic advising system for universities!
Quartz is a fast, batteries-included static-site generator that transforms Markdown content into fully functional websites. Thousands of students, developers, and teachers are already using Quartz to publish personal notes, wikis, and digital gardens to the web.
Quartz is a set of tools that helps you publish your digital garden and notes as a website for free. Quartz v4 features a from-the-ground rewrite focusing on end-user extensibility and ease-of-use.
Security Onion is a free and open platform for threat hunting, enterprise security monitoring, and log management. It includes our own interfaces for alerting, dashboards, hunting, PCAP, and case management. It also includes other tools such as Playbook, osquery, CyberChef, Elasticsearch, Logstash, Kibana, Suricata, and Zeek.
The secure CMS.
Geeklog is an open source application for managing dynamic web content. It is written in PHP and supports MySQL or PostgreSQL as the database backend.
"Out of the box", it is a blog engine, or a CMS with support for comments, trackbacks, multiple syndication formats, spam protection, and all the other vital features of such a system.
Home server management made easy. A personal homeserver for everyone.
Free and open-source, Runtipi lets you install all your favorite self-hosted apps without the hassle of configuring and managing each service. One-click installs and updates for more than 140 popular apps.
Open source browser tools for everyday use.
Omatsuri is a progressive web application with 12 open source frontend focused tools. Omatsuri translates to «festival» from Japanese (お祭り) and here we have a small festival of applications. It was built with strong respect to your privacy – you will never see ads and it does not include analytics services (or actually any services at all). You are highly encouraged to explore source code and use it in your projects.
A tool to create accessible color systems
The app helps you to create accessible color systems with predictable contrast ratios.
Open-Source Phishing Framework
Gophish is a powerful, open-source phishing framework that makes it easy to test your organization's exposure to phishing.
Sources:
Simple bookmark manager built with Go.
Shiori is a simple bookmarks manager written in the Go language. Intended as a simple clone of Pocket. You can use it as a command line application or as a web application. This application is distributed as a single binary, which means it can be installed and used easily.
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