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词光 · Word Atlas — Illustrated IELTS vocabulary with 7,298 words, UK/US audio and FSRS review. Open-source app + CC BY 4.0 dataset.

🌐 DNSHE — Free subdomains for developers, with Anycast DNS, a REST API, and free renewal within 180 days before expiry. Available suffixes: us.ci, cc.cd, de5.net, ccwu.cc.

OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐ Star us on GitHub

A PSP emulator for Android, Windows, Mac, Linux and iOS, written in C++. Want to contribute? Join us on Discord at https://discord.gg/5NJB6dD or just send pull requests / issues.

Free, source-available accounting: double-entry bookkeeping, invoicing, US payroll, inventory, bank feeds - desktop app with built-in multi-user Server Edition (no Docker needed). A QuickBooks replacement. No cloud, no caps.

Your AI trading terminal assistant for US stocks, commodities, forex, and crypto.

Reviving the language that brought us the Jak & Daxter Series

YouTube (Video) Browser-Extension. [Top1 FOSS.] Enrich your experience & choice! 🧰Smart features📌set & forget📌100s of tweaks. Longest-standing. Join🧩us?👨‍👩‍👧‍👧 ⋮ ⋮ ⋮ ⋮ ⋮ {playback|discovery|extra player buttons|quality|codec|full tab|full screen|no distraction|shorts}

The macOS screen recorder for the rest of us - always free and open source with a native look and feel 📺

One command downloads a complete offline, no-internet emergency library: local AI (CPU/GPU), document Q&A, full Wikipedia, offline maps for any country/region (default US), survival/repair/medical archives, and public-domain manuals. Asks only where to save.

CSGHub is a brand-new open-source platform for managing LLMs, developed by the OpenCSG team. It offers both open-source and on-premise/SaaS solutions, with features comparable to Hugging Face. Gain full control over the lifecycle of LLMs, datasets, and agents, with Python SDK compatibility with Hugging Face. Join us! ⭐️

The PolicyEngine US Python package contains a rules engine of the US tax-benefit system, and microdata generation for microsimulation analysis.

Town of Us Reactivated, but cleaner using MiraAPI with many improvements!

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

Detect, and dissect, US Street Addresses in strings.

WPScan WordPress security scanner. Written for security professionals and blog maintainers to test the security of their WordPress websites. Contact us via contact@wpscan.com

With a given country and phone number, validate and reformat the mobile phone number to the E.164 standard. The purpose of this is to allow us to send SMS to mobile phones only.

Make Zotero effective for us LaTeX holdouts

Manage your photos with Piwigo, a full featured open source photo gallery application for the web. Star us on Github! More than 200 plugins and themes available. Join us and contribute!

GridSound (1.58.5) is a work-in-progress free browser-based digital audio workstation following the Web Audio API 🎛🎹🎵✨ -- If you can, please sponsor us a little on our Patreon ❤️

OK | Every voice, every meme, every transaction makes $OK stronger and more vibrant. Powered by all of us—and now, AI agents. OK is not just OK — it’s $OK. $OK?

Source code accompanying 'Mathematics of Epidemics on Networks' by Kiss, Miller, and Simon http://www.springer.com/us/book/9783319508047 . Documentation for the software package is at https://epidemicsonnetworks.readthedocs.io/en/latest/

Come and join us, we need you!

oneAPI DPC++ Library (oneDPL) https://software.intel.com/content/www/us/en/develop/tools/oneapi/components/dpc-library.html

2027 tech & software engineering internships for students — new grad US roles, summer & full-year

Make your first Pull Request on Hacktoberfest 2026. Don't forget to spread love and if you like give us a ⭐️

The framework that allows us to write PHP extensions using pure and safe Rust whenever possible.

Security hardening content for VMware solutions to US Department of Defense standards

The next-generation couch surfing platform. Free forever. Community‑led. Non‑profit. Modern. Chuck us a star :)

Welcome to New Expensify: a complete re-imagination of financial collaboration, centered around chat. Help us build the next generation of Expensify by sharing feedback and contributing to the code.