Open-Source Websites & Tools

Checkmate monitors server hardware, uptime, response times, and incidents as a self-hosted open-source tool.

Plexus App helps assess Android app compatibility on devices without Google services, presenting information about application support in a de-Googled environment.

Episteme Reader handles documents and ebooks offline on mobile and desktop devices.

This Windows screen annotation project is a fork of gInk, according to its repository description.

xplr explores files from a terminal interface, with support for plugins, integrations, and custom hacks.

Opyrator turns machine learning code into microservices with a web API and interactive interface.

FFShare compresses image, video, and audio files with FFmpeg before sharing them from Android.

KernelSU Next provides a kernel-based root solution for customizing Android devices.

gibMacOS downloads macOS components directly from Apple and can build Internet Recovery USB installers from Windows.

LLPlayer provides a media player for language learners with dual subtitles and playback tools.

OCRmyPDF adds an OCR text layer to scanned PDF files, making their text searchable, according to its project description.

PySolFC collects solitaire games in an open-source, portable package, according to its project description.

tumblr-utils backs up a Tumblr blog locally as HTML, with a fork adding Python 3 support and fixes.

ArtiVC provides command-line data versioning for managing large files in cloud storage.

Quickemu creates and runs optimized virtual machines for Windows, macOS, and Linux.

Pinafore provides an alternative web client for Mastodon; the project repository says it is unmaintained.

VLC plays multimedia files, discs, streams, and devices, and can also convert, encode, and stream media.

EmotiVoice provides a multi-voice text-to-speech engine with prompt controls.

This curated list collects useful Minecraft projects, tools, and resources for players and creators.

Shogi players can use Lishogi, an open-source server forked from Lichess and described as free and ad-free.

dvm manages Discord versions on Linux, letting users install and switch between versions.

ESPnet includes tools for end to end speech processing and related speech tasks.

JobSync tracks applications and supports job searches with AI resume review, job matching, task logging, and application analytics.

JDSP4Linux processes audio for PipeWire and PulseAudio clients, according to its repository description.