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AddAn Android web browser based on webview, which is specialized for E-Ink device. This browser is called EinkBro. It's designed to fit Eink devices' needs; no unnecessary UI transitions, clear B&W icons, useful feature for eink reading experience. It's originated from FOSS Browser, which is fully free/libre (as in freedom) Android app.
Self-hosted animal companion health and care tracker for homelabs. Built with SvelteKit and SQLite.
EinVault is a private, self-hosted companion health and care tracker built for homelabs. Track health records, daily activities, and care schedules for your animal companions. All data stays on your hardware. No cloud, no telemetry, no external accounts.
EJBCA covers all your needs – from certificate management, registration and enrollment to certificate validation.
Welcome to EJBCA – the Open Source Certificate Authority. EJBCA is one of the longest running CA software projects, providing time-proven robustness and reliability. EJBCA is platform independent, and can easily be scaled out to match the needs of your PKI requirements, whether you’re setting up a national eID, securing your industrial IoT platform or managing your own internal PKI.
eks-node-viewer is a tool for visualizing dynamic node usage within a cluster. It was originally developed as an internal tool at AWS for demonstrating consolidation with Karpenter. It displays the scheduled pod resource requests vs the allocatable capacity on the node. It does not look at the actual pod resource usage.
Open source Farm management Information System (FMIS) - Connecting farms to the world
Ekylibre is a farm management information system (aka FMIS) web application.
Elastic2025 is a dark Roundcube theme based on the Elastic2022 by Seb1k.
Gmail removed ability to pull messages from other providers as of Jan 2026. This project aim to offer a simple drop in replacement webmail experience in Roundcube (especially on desktop). Please consider donating if you liked it.
Official Elastic Skills.
Elastic Agent Skills — built by the people who built Elastic — deliver native platform expertise directly to your AI coding agent. This is the official Agent Skills library, compatible with agentic IDEs such as Cursor, GitHub Copilot, Windsurf, Gemini CLI, and more. Skills follow the Agent Skills open standard.
Elastic Columns is a jQuery plugin that was designed to be used as an alternative to the well-known Isotope library.
So we build a web site or an application and want to add search to it, and then it hits us: getting search working is hard. We want our search solution to be fast, we want a painless setup and a completely free search schema, we want to be able to index data simply using JSON over HTTP, we want our search server to be always available, we want to be able to start with one machine and scale to hundreds, we want real-time search, we want simple multi-tenancy, and we want a solution that is built for the cloud.
With the responsive awakening in web design it becomes important to not only take care of the visual part of a website but also of the functionality. Elastislide is a responsive jQuery carousel that will adapt its size and its behavior in order to work on any screen size. Inserting the carousel’s structure into a container with a fluid width will also make the carousel fluid.
Elasticsearch Terminal Dashboard. HTOP for Elasticsearch.
Elastop is a terminal-based dashboard for monitoring Elasticsearch clusters in real-time. It provides a comprehensive view of cluster health, node status, indices, and various performance metrics in an easy-to-read terminal interface. This tool was designed to look visually similar HTOP.
an SEO first Svelte Framework & Static Site Generator.
Elder.js is an opinionated static site generator and web framework built with SEO in mind. (Supports SSR and Static Site Generation.)
ElectricEye is a multi-cloud, multi-SaaS Python CLI tool for Asset Management, Security Posture Management & Attack Surface Monitoring supporting 100s of services and evaluations to harden your CSP & SaaS environments with controls mapped to over 20 industry, regulatory, and best practice controls frameworks
The leading resource for 24/7 electricity CO2 data
We provide actionable data quantifying how carbon intensive electricity is on an hourly basis across 50+ countries.
The data can be accessed historically, in real time, or as a forecast for the next 24 hours. You can also explore the real time data on the Electricity Maps app.
Sync for modern apps. The standard sync layer for local-first apps. Build reactive, realtime, local-first apps directly on Postgres.
ElectricSQL is a local-first software platform that makes it easy to develop high-quality, modern apps with instant reactivity, realtime multi-user collaboration and conflict-free offline support.
Local-first is a new development paradigm where your app code talks directly to an embedded local database and data syncs in the background via active-active database replication. Because the app code talks directly to a local database, apps feel instant. Because data syncs in the background via active-active replication it naturally supports multi-user collaboration and conflict-free offline.
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Build ultra fast, tiny, and cross-platform desktop apps with Typescript.
Electrobun aims to be a complete solution-in-a-box for building, updating, and shipping ultra fast, tiny, and cross-platform desktop applications written in Typescript.
Build ultra fast, tiny, cross-platform desktop apps with Typescript. A hello world ships at about a megabyte — not a hundred of them.
Everything you need to build ultra fast, tiny, cross-platform desktop applications with TypeScript.
Electrobun aims to be a complete solution-in-a-box for building, updating, and shipping fast, compact, cross-platform desktop applications written in TypeScript. Hutch is the native build and workspace CLI. Cottontail is Electrobun's JSC-based default JavaScript runtime. Electrobun's platform layer combines Zig, Objective-C, and C++.
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Build 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.
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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.
A glossy Matrix collaboration client for the web. Element (formerly known as Vector and Riot) is a Matrix web client built using the Matrix React SDK.
A glossy Matrix collaboration client for the web.
Secure collaboration and messaging. Own your conversations. Secure and independent communication, connected via Matrix. A sovereign and secure communications platform. Built by the creators of Matrix.
The thoughtful, capable, and ethical replacement for Windows and macOS.
Swift, in the browser.
Run declarative Swift applications natively in the browser with WebAssembly.
unlimited podcast hosting.
ELEMENT.FM is a powerful podcast hosting platform built for creators, offering unlimited hosting, AI-powered tools, and support for Podcasting 2.0 features like Value for Value (V4V) and chapter-level analytics.
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A Periodic Table of System Design Principles.
System design is often taught through solutions specific to particular domains, such as databases, operating systems, or computer architecture, each with its own methods and vocabulary. While this diversity is a strength, it can obscure cross-cutting principles that recur across domains. This paper proposes a preliminary taxonomy of system design principles distilled from several domains in computer systems. The goal is a shared, concise vocabulary that helps students, researchers, and practitioners reason about structure and trade-offs, compare designs across domains, and communicate choices more clearly.
Elephantshark helps monitor, understand and troubleshoot Postgres network traffic: Postgres clients, drivers and ORMs talking to Postgres servers, proxies and poolers (also: standby servers talking to their primaries and subscriber servers talking to their publishers).
Elephantshark sits between the two parties in a PostgreSQL-protocol exchange, forwarding messages in both directions while parsing and logging them.
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Fully managed DevOps platform to deploy your code and open-source software
No more DevOps. Deploy on any cloud or on-premise. Scalable & Secure. CI/CD Pipelines.
Elevator.js fixes those awkward "scroll to top" moments the old fashioned way.
Finally, a "back to top" button that behaves like a real elevator, by adding elevator music to quietly soothe the awkwardness that can ensue when being smoothly scrolled to the top of the screen.
A CLI to create code sandboxes with automatic HTTPS and long running processes in your cloud provider account.
A collection of Open Source agent and audio components that you can customize and extend.
ElevenLabs UI is a component library and custom registry built on top of shadcn/ui to help you build multimodal agents faster.
A simpler site generator. Transforms a directory of templates (of varying types) into HTML.
A simpler static site generator. An alternative to Jekyll. Written in JavaScript. Transforms a directory of templates (of varying types) into HTML.
Works with HTML, Markdown, JavaScript, Liquid, Nunjucks, Handlebars, Mustache, EJS, Haml, and Pug.
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Open-source file manager for web, written in JavaScript using jQuery and jQuery UI. elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Creation is inspired by simplicity and convenience of Finder program used in Mac OS X operating system.
Elgg is an award-winning social networking engine, delivering the building blocks that enable businesses, schools, universities and associations to create their own fully-featured social networks and applications. Organizations with networks powered by Elgg include:
Elixir is a dynamic, functional language designed for building scalable and maintainable applications.
Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain.
Open Source Office suite for users used to MS Office - multi-platform, tuned for performance .
ElixirOffice edits Word, Excel and PowerPoint documents (and their OpenDocument equivalents) with the ribbon, menus, dialogs and keyboard shortcuts of Microsoft Office. It runs as a desktop app that works entirely offline, or in the browser on your own server. It is free software (AGPLv3), private by design, and fast.
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ell is a lightweight prompt engineering library treating prompts as functions.
Instant chat. Account-free, encrypted, fast and disposable.
Encrypted link-based chat with color identity, no usernames, and room rules you set before anyone joins.
A purely functional expression language for No-Code tools. A simple, well-designed, portable, and safe data expression language.
Elo compiles to JavaScript, Ruby, and SQL. Built for No-Code tools where non-technical users need to manipulate data easily and safely.
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ELOG is part of a family of applications known as weblogs . Their general purpose is :
to make it easy for people to put information online in a chronological fashion, in the form of short, time-stamped text messages ("entries") with optional HTML markup for presentation, and optional file attachments (images, archives, etc.)
to make it easy for other people to access this information through a Web interface, browse entries, search, download files, and optionally add, update, delete or comment on entries.
Redis/Valkey Compatible Distributed Transactional Key-Value Store.
EloqKV is a high-performance distributed database with a Redis/ValKey compatible API. It offers features like ACID transactions, full elasticity and scalability, tiered storage, and session-style transaction syntax — all while preserving Redis' simplicity and usability. EloqKV is engineered for developers who need a modern no-compromise database solution to power the next generation of demanding applications in the AI era.
Your proofreading assistant.
Eloquent is a proofreading software for English, Spanish, French, German, Portuguese, Polish, Dutch, and more than 20 other languages. It finds many errors that a simple spell checker cannot detect.
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Ergonomic Framework for Humans. TypeScript with End-to-End Type Safety, type integrity, and exceptional developer experience. Supercharged by Bun.
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Brings your favorite AI agents to Emacs, keeping you at home: familiar buffers and bindings, no terminal emulation. All powered by ACP, the Agent Client Protocol.
A Pure Emacs (no external packages) IDE like configuration.
A fast, powerful and modular Emacs configuration that favors built-in functionality over third-party packages.
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EmailEngine is an email client but for apps, not people.
Effortless email integration for your app or service. Simplify IMAP and SMTP complexities, and focus on what truly matters. Build better features, faster.
Self-hosted solution for developers and businesses.
Everyone knows what an email address is, right?
Decide if each email address is valid or not. I used the email-addresses library to verify against the relevant RFCs. Enjoy.
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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.
Transparently add OAuth 2.0 support to IMAP/POP/SMTP client applications, scripts or any other email use-cases that don't support this authentication method.
An IMAP/POP/SMTP proxy that transparently adds OAuth 2.0 authentication for email clients that don't support this method. Keep legacy email clients working with Exchange Online, Gmail and other providers.
Script PHP pour générer & pourquoi pas héberger des emails jetables / poubelles. Vous pourrez ainsi facilement gérer vos adresses de redirections temporaires.
A completely free and open source email validation API that never stores your data. Built to support solopreneurs and the developer community.
A high-performance, cost-effective email validation service designed for indie hackers and small startups. The service validates email addresses in real-time, checking syntax, domain existence, MX records, and detecting disposable email providers. The main focus is on precision instead of recall, meaning instead of edge cases the focus is on having the biggest coverage.
The firmware security analyzer.
EMBA is designed as the central firmware analysis and SBOM tool for penetration testers, product security teams, developers and responsible product managers. It supports the complete security analysis process starting with firmware extraction, doing static analysis and dynamic analysis via emulation, building the SBOM and finally generating a web report. EMBA automatically discovers possible weak spots and vulnerabilities in firmware. Examples are insecure binaries, old and outdated software components, potentially vulnerable scripts, or hard-coded passwords. EMBA is a command line tool with the possibility to generate an easy-to-use web report for further analysis.