Open-Source Websites & Tools

Themix GUI generates color variations for themes including GTK, Cinnamon, GNOME, Openbox, and Xfwm.

Docs to Markdown converts Google Docs documents to Markdown or HTML through a Google Workspace add-on.

LXD UI provides a browser interface for managing LXD containers and virtual machines.

Decky Loader adds plugin support to Steam Deck, with plugins for customization and other features.

SimpleTimeTracker records time spent on activities, helping users review how they allocate time across tasks and projects.

HypothesisTests.jl is a Julia package that implements statistical hypothesis tests.

Spot notable forks of GitHub projects with Lovely Forks, a browser extension available for Firefox and Chrome.

OpenLens AI provides a multimodal agent for conducting scientific research.

CleverKeys offers an Android keyboard with local-only operation and unlimited voice typing, according to its project summary.

Bruno is an API client that stores collections as local files for use with Git and other version-control workflows. The open-source edition handles personal request testing and collection runs; paid editions add integrations and in-app conveniences.

Free open-source graphical Git client for Windows, with revision history, staging, branch operations and configurable development tools.

A free browser extension for blocking selected websites during schedules or after time allowances.

A free Visual Studio Code extension that displays CSV data in an editable table beside its source file.

A template-based visual email editor with a browser demo and GPL-licensed code for self-hosted integration.

An MIT-licensed email framework with a responsive grid, Sass styles and Inky markup for local template builds.

fm manages files in a terminal interface, with its project built using Go and Bubble Tea.

A React component for playing a variety of URLs, including file paths, YouTube, Facebook, Twitch, SoundCloud, Streamable, Vimeo, Wistia and DailyMotion

FediverseRedirect deep-links Mastodon and Lemmy addresses into Android apps, including browsers and mobile clients.

txtai combines semantic search, language-model orchestration and AI workflows in an open-source framework.

rquickshare implements Nearby Share and Quick Share for Android on Linux and macOS.

Feathr provides enterprises with a platform for data engineering and AI workflows.

Source 2 Viewer is an all-in-one tool to browse VPK archives, view, extract, and decompile Source 2 assets, including maps, models, materials, textures, sounds, and more.

This API extracts and parses text from PDF, Word, and PowerPoint files, with OCR models and options to anonymize documents and remove PII.

Looking Glass provides low-latency display and input for using Windows from a Linux environment.