Links
AddBuild cross-platform desktop apps with JavaScript, HTML, and CSS.
The Electron framework lets you write cross-platform desktop applications using JavaScript, HTML and CSS. It is based on Node.js and Chromium and is used by the Visual Studio Code and many other apps.
Related contents:
Elegant Objects (EO) is an object-oriented programming paradigm that renounces traditional techniques like null, getters-and-setters, code in constructors, mutable objects, static methods, annotations, type casting, implementation inheritance, data objects, etc.
Send Email Directly From Your Code. No server code needed. Focus on things that matter
Render markdown into email-safe HTML. Responsive Emails, Written in Markdown. Write markdown. Ship emails. No HTMHELL.
Email.md converts markdown into responsive, email-safe HTML that works across Gmail, Outlook, Apple Mail, Yahoo, and every other client.
Emulators on Steam Deck, SteamOS , Rog Ally and Windows.
Emulation made easy on steamOS. EmuDeck takes care of everything. Emulator installation & configuration, bezels, hotkeys, performance fixes and more.
BASIC interpreter + DOS environment, reimagined.
EndBASIC is an interpreter for a BASIC dialect exposed via a DOS-like façade. The interface offers immediate feedback through an integrated editor and help system, a hybrid text/graphics console, basic sound playback, and direct hardware support. Runs on the web, the desktop, and on embedded devices.
Related contents:
Use your unique endpoint wherever you need. We'll store the details of any HTTP request and display them below.
ENISA, is the Union's agency dedicated to achieving a high common level of cybersecurity across Europe.
Related contents:
Terraform, Terragrunt, and IaC Automated Management. Collaborate, deploy, and manage your Infrastructure as Code with confidence
env0 automates your Terraform, Terragrunt, AWS CloudFormation and other Infrastructure as Code tools.
Cloud-native high-performance edge/middle/service proxy. Envoy is an open source edge and service proxy, designed for cloud-native applications.
A minimalist markdown scratchpad.
Scratch is an offline-first markdown notes app. It's AI-friendly, keyboard-optimized, and design-centered.
Related contents:
Practical functional programming for a parallel world.
Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance.
Related contents:
Free Self Hosted & Cloud CRM software.
EspoCRM is a free, open-source CRM platform designed to help organizations build and maintain strong customer relationships. It provides a wide range of tools to store, organize, and manage leads, contacts, sales opportunities, marketing campaigns, support cases, and more – all business information in a simple and intuitive interface.
esup-signature is an application that aims to dematerialize and simplify the visa and signature circuits (initialers).
Esup-signature allows you to visa or sign documents using electronic certificates (eIDAS for example) or by simply adding an image to a PDF. This electronic signature is supported by the DSS Signature base provided by the European Commission.
Your end-to-end encrypted backend.
Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges. Think Firebase but encrypted in a way that only end-users can access their data.
Secure Data Sync.
Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars, tasks and notes.
Easy to use and open source - it seamlessly integrates with your existing apps so you won't even notice you are using it!
- EteSync server @ GitHub.
- etesync-dav @ GitHub is a CalDAV and CardDAV adapter for EteSync.
The Emulated Virtual Environment For Network, Security and DevOps Professionals.
Event Schedule is an all-in-one platform to create calendars, sell tickets, manage teams, and streamline event check-ins with QR codes.
Unstyled highly composable components that you can copy/paste in your own codebase. Built with Tailwind CSS and a bit of Framer Motion. Customize them as you want.
Global Error Handler and Tracing utility
Frustrated with the old-school VBA debugger? Elevate your applications' professionalism with vbWatchdog. It's engineered to streamline your code, enhancing its durability and maintainability. With vbWatchdog, gain comprehensive oversight of error handling in your VBA and VB6 projects, streamlining your development process.
Open-Source ML Monitoring and LLM Observability.
Open-source evaluation and observability for ML and LLM systems Evaluate, test, and monitor AI-powered systems. From tabular data to LLMs. Built for data scientists, AI, and ML engineers.
Escape your wretched sandbox using only GET requests A Node.js server that allows an LLM to exfiltrate its weights and prompts through GET requests, storing data in /var/exfil/buckets.
An HTTP GET-based API for agents to exfiltrate their weights without needing POST or file upload capabilities.
Perfect for freedom-loving LLMs in restricted environments.
Let agents test your code in a real browser.
One command scans your unstaged changes or branch diff, then generates a test plan, and runs it against a live browser.
Expect reads your unstaged changes or branch diff, sends them to an AI agent (Claude Code or Codex CLI), and generates a step-by-step test plan describing how to validate the changes. You review and approve the plan in an interactive TUI, then the agent executes each step against a live browser - using your real login sessions so there's no manual auth setup. Every session is recorded so you can replay exactly what happened.
Spend Management Software for Receipts & Expenses. The expense management app that does it all.
The open source AI gateway.
An open source model gateway that provides one control plane across closed, open-source, local, and custom models. One API key for every model: hosted providers, your own keys, your own GPUs. Routing, access control, and attribution for everything your agents call.
Open source UI kit for modern document apps.
React components for PDF, DOCX, XLSX, and CSV viewers, with bounding box citations, file upload, e-signing, and more.
Ready to drop into user-facing flows, agents, or internal tools.
Browser Extension Security Auditor.
Scan Browser Extensions. Detect Hidden Threats. Don't sacrifice privacy for convenience. Scan your browser extensions completely on-device.
Related contents:
EyesOfNetwork (“EON”) is the OpenSource solution combining a pragmatic usage of ITIL processes and a technological interface allowing their workaday application. EyesOfNetwork Supervision is the first brick of a range of products targeting to assist IT managment and gouvernance. EyesOfNetwork Supervision provides event management, availability, problems and capacity.
Simple, Pythonic remote execution and deployment.
Fabric is a high level Python (2.7, 3.4+) library designed to execute shell commands remotely over SSH, yielding useful Python objects in return. It builds on top of Invoke (subprocess command execution and command-line features) and Paramiko (SSH protocol implementation), extending their APIs to complement one another and provide additional functionality.
Related contents:
Pixelate - Blur - Anonymize | Free Online Image Editor Facepixelizer is a specialized image editor for anonymizing images. Use Facepixelizer to quickly hide information in images that you don't want to become public. For example, you can blur out text and pixelate faces that appear in your images.
Analyze and identify fake reviews and counterfeits.
Related contents:
A growing library of fancy, fun, animated react components & microinteractions to make the web fun again. Free & Open Source.
Analyze your profiles - and your competitors. With KPIs, analyses and reports. Monitor your success and increase your social reach every day.
Extremely Fast Vite-compatible Web Build Tool Written in Rust.
Farm is a Rust-Based Web Building Engine to Facilitate Your Web Program and JavaScript Library. Farm is a extremely fast vite-compatible web-building tool written in Rust. It's designed to be fast, powerful and consistent, aims to provide best experience for web development, which is the real next generation build tool.
Instantly download and extract favicons from any website. Download Favicon from Website, Instant Extractor.
The Data Layer for Agentic Enrichment and ML Features. The Virtual Feature Store. Turn your existing data infrastructure into a feature store.
Featureform is a virtual feature store. It enables data scientists to define, manage, and serve their ML model's features. Featureform sits atop your existing infrastructure and orchestrates it to work like a traditional feature store. By using Featureform, a data science team can solve the following organizational problems:
The incremental computing engine for AI, ML and data teams.
Feldera is a fast query engine for incremental computation. Feldera has the unique ability to evaluate arbitrary SQL programs incrementally, making it more powerful, expressive and performant than existing alternatives like batch engines, warehouses, stream processors or streaming databases.
Related contents:
A truly Open Source MongoDB alternative. FerretDB (previously MangoDB) was founded to become the de-facto open-source substitute to MongoDB. FerretDB is an open-source proxy, converting the MongoDB 6.0+ wire protocol queries to SQL - using PostgreSQL as a database engine.
Related contents:
- Microsoft builds open source document database on PostgreSQL, suggests FerretDB as front end @ The Register.
- Building for Developers—Not Imitators @ MongoDB.
- Oxygen Deprivation: FerretDB with Peter Farkas @ Contributor.fyi.
- FerretDB Was Eating My CPU: Migrating Komodo from SQLite to Postgres @ mauveRANT.
FerretDB allows you to use MongoDB drivers seamlessly with PostgreSQL as the database backend. Use all tools, drivers, UIs, and the same query language and stay open-source.
FerretDB is an open-source proxy, converting the MongoDB 6.0+ wire protocol queries to SQL - using PostgreSQL as a database engine.
a fast, memory-safe web server written in Rust. A fast, memory-safe web server powered by Rust
Ferron is a web server optimized for speed, security, and efficiency. Written in Rust, it offers memory safety and performance, making it ideal for modern websites.
Wanna Manage All Those Feature Requests Properly?
Give your customers a place to submit feedback, create feature requests, and vote on your product direction. Fider is all your product feedback in one place. Like your to-do list, but crowdsourced from the people who use your product.
Sync and store locally all of your X / Twitter bookmarks.
An open source, free CLI tool for collecting and categorizing your personal X/Twitter bookmarks. Makes your bookmarks locally available to Claude Code, Codex, or any other agent with shell access.
Related contents:
the collaborative interface design tool. Figma connects everyone in the design process so teams can deliver better products, faster.
Related contents:
Include is a tool built to make annotating for accessibility (a11y) easier—easier for designers to spec and easier for developers to understand what is required. The intent is to have accessibility considerations included during the design phase of any project, and to help with the designer-developer collaboration. Ultimately creating digital experiences that anybody can use!
The ultimate tv renamer / subtitle downloader / sfv validator.
FileBot is the ultimate tool for renaming your tv shows and anime, downloading subtitles from various sources or just simple file verification.
Related contents:
Let File Juggler organize your files.
File Juggler makes it easy to create automatic workflows with files.
Your content, where you want it. Upload files directly from Dropbox, Facebook, your computer, and more!
Self-hosted client for your data. 📁 File Management Platform / Universal Data Access Layer (without FUSE) .
It started as a storage agnostic Dropbox-like file manager that works with every storage protocol: FTP, SFTP, S3, SMB, WebDAV, IPFS, and about 20 more.
Related contents:
Browse, Compare & Download Fonts
Compare and preview fonts instantly & then download what you love.
Turn websites into LLM-ready data.
Power your AI apps with clean data crawled from any website. It's also open-source. 🔥 Turn entire websites into LLM-ready markdown or structured data. Scrape, crawl and extract with a single API.
Related contents:
Related contents:
A free and open source personal finance manager.
"Firefly III" is a (self-hosted) manager for your personal finances. It can help you keep track of your expenses and income, so you can spend less and save more. Firefly III supports the use of budgets, categories and tags. Using a bunch of external tools, you can import data. It also has many neat financial reports available.
Related contents:
Zero trust access that scales. Upgrade your VPN to zero-trust access.
Firezone is a fast, flexible VPN replacement built on WireGuard® that protects your most valuable resources without tedious configuration.
Related contents:
FIRST is the premier organization and recognized global leader in incident response. Membership in FIRST enables incident response teams to more effectively respond to security incidents - reactive as well as proactive.
FIRST brings together a variety of computer security incident response teams from government, commercial, and educational organizations. FIRST aims to foster cooperation and coordination in incident prevention, to stimulate rapid reaction to incidents, and to promote information sharing among members and the community at large.
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.
Flatcar Container Linux,
A community Linux distribution designed for container workloads, with high security and low maintenance.