All repos — GH Trending Explorer

A list of Free Software network services and web applications which can be hosted on your own servers

Self-hosted server software for storing, syncing, and sharing files, calendars, and contacts, extensible through an app store.

self-hosted cloud file-sharing

lichess-org / lila

Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.

game backend web-framework

Anil-matcha / awesome-open-source-saas-alternatives

Open source alternatives to paid SaaS apps: Notion, Slack, Auth0, Vercel and more. Curated list with licenses and GitHub stars.

VonHoltenCodes / SlowBooks-Pro-2026

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.

kalcaddle / kodbox

kodbox is a file manager for web. It is a newly designed product based on kodexplorer. It is also a web code editor, which allows you to develop websites directly within the web browser.You can run kodbox either online or locally,on Linux, Windows or Mac based platforms

sentriz / gonic

music streaming server / free-software subsonic server API implementation

TeamHypersomnia / Hypersomnia

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱

TheHive-Project / Cortex

Cortex: a Powerful Observable Analysis and Active Response Engine

LeanBitLab / LeanType

LeanType is an Open-source keyboard, fork of HeliBoard with additional features and customisation

flameshot-org / flameshot

Powerful yet simple to use screenshot software :desktop_computer: :camera_flash:

gotify / server

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

piotrkulpinski / open-source-alternatives

Curated list of open source alternatives to proprietary software.

kalcaddle / KodExplorer

A web based file manager,web IDE / browser based code editor

CollaboraOnline / online

Issue tracker only. Active development is on Gerrit at https://gerrit.collaboraoffice.com/.

CelestiaProject / Celestia

Real-time 3D visualization of space.

WWBN / AVideo

Create Your Own Broadcast Network With AVideo Platform Open-Source. OAVP OVP

projectsend / projectsend

Share files with your clients, from your own server. Free, open source (GPLv2), self-hosted — or use ProjectSend Cloud, the official hosted version run by the same team.