Self-hosted projects tagged “API”

Open-source billing infrastructure for usage metering, subscriptions, invoicing, and hybrid pricing via an API and web interface.

AGPL-3.0Actively maintained

Alternative to:

Chargebee+11

Piped is a privacy-friendly, lightweight alternative YouTube frontend with feeds, playlists, SponsorBlock support, and a public JSON API for apps and integrations.

AGPL-3.0Actively maintained

Alternative to:

YouTube+1

Self-hostable online accounting software to manage invoices, expenses, payments, and cash flow for small businesses and freelancers.

Actively maintained

Alternative to:

Akaunting Cloud+13

KeystoneJS is an open-source headless CMS and application framework for Node.js that uses TypeScript, Prisma, GraphQL and React to provide customizable schemas, an Admin UI and generated APIs.

MITActively maintained

Alternative to:

KeystoneJS Cloud+19

Cross-platform DNS server with authoritative/recursive modes, encrypted DNS (DoH/DoT/DoQ), DNSSEC, ad/malware blocking, DHCP, and an HTTP API with web admin UI.

GPL-3.0Actively maintained

Alternative to:

Cloudflare DNS+10

GitBucket is a self-hosted Git web platform for managing Git repositories with issues, pull requests, wikis, Git LFS support, and a plugin system.

Heimdall is a self-hosted application dashboard and startpage to organize and launch your web apps, services, and bookmarks, with optional live stats via enhanced app integrations.

MITActively maintained

Alternative to:

Heimdall Application Dashboard (LinuxServer.io)+9

PrestaShop is an open-source e-commerce platform written in PHP that lets merchants build, manage, and scale online stores with modular features and themes.

Actively maintained

Alternative to:

Shopify+8

Open-source game server management panel for deploying and managing game servers in isolated Docker containers with a modern web UI and API.

Actively maintained

Alternative to:

Pterodactyl Panel (Cloud)+1

Open-source HR management and payroll software with employee lifecycle, leave and attendance tracking, performance reviews, and employee self-service portal.

GPL-3.0Actively maintained

Alternative to:

Workday+19

Mopidy is an extensible Python music server that plays local files and radio streams, and can add streaming service backends via extensions with MPD and web clients.

Apache-2.0Actively maintained

Alternative to:

Volumio Premium (MyVolumio)+8

Open-source headless eCommerce platform and framework for building customizable online stores with a REST API, based on PHP and the Symfony ecosystem.

MITActively maintained

Alternative to:

commercetools+7

Headless, API-first commerce platform built with TypeScript, NestJS and GraphQL; plugin-based, multi-database support and customizable admin UI.

Actively maintained

Alternative to:

Vendure Cloud+12

OSRM is a high-performance routing engine for OpenStreetMap data, providing an HTTP API for routing, map matching, distance tables, and more.

BSD-2-ClauseActively maintained

Alternative to:

Mapbox+1

Snapcast is a client-server system for perfectly synchronized multiroom audio playback, turning existing audio players into a Sonos-like whole-home streaming setup.

GPL-3.0Actively maintained

Alternative to:

Sonos+3

BTCPay Server is a free, open-source, self-hosted Bitcoin payment processor for accepting on-chain and Lightning payments, with invoicing, POS, and API automation.

MITActively maintained

Alternative to:

BitPay+9

Open-source GPS tracking platform supporting 200+ device protocols, real-time tracking, alerts, reports, REST API and web/mobile apps for fleet and asset monitoring.

Apache-2.0Actively maintained

Alternative to:

Wialon+8

Lightweight, self-hostable CAPTCHA alternative using SHA-256 proof-of-work challenges to protect forms and APIs from bots without tracking or visual puzzles.

Actively maintained

Alternative to:

Google reCAPTCHA+8

Dolibarr is an open-source web-based ERP/CRM to manage sales, invoicing, purchases, inventory, accounting, HR, projects, and customer relationships.

GPL-3.0Actively maintained

Alternative to:

Odoo+17

InvenTree is an open-source inventory management system built on Python and Django, offering stock control, part tracking, BOM management, and a REST API with plugin extensibility.

MITActively maintained

Alternative to:

InvenTree Cloud+11

Open-source EV charge controller that optimizes vehicle charging with PV, batteries and dynamic tariffs; supports many chargers, vehicles and smart-home integrations.

MITActively maintained

Alternative to:

Arduino IoT Cloud+15

Self-hosted indexer manager/proxy that centralizes torrent trackers and Usenet indexers, syncing configuration to Sonarr, Radarr, Lidarr, Readarr, and more.

Sink is a fast, secure link shortener with built-in analytics, custom slugs, link expiration, and serverless deployment on Cloudflare Workers or Pages.

AGPL-3.0Actively maintained

Alternative to:

Bitly+11

Self-hosted network visibility and presence scanner that discovers connected devices and alerts on new, unknown, or changed hosts across your LAN/Wi‑Fi.

GPL-3.0Actively maintained

Alternative to:

Fing+8

A sleek, mobile-friendly web interface for qBittorrent that uses the qBittorrent WebAPI to manage torrents, settings, and search from any device.

GPL-3.0Actively maintained

Alternative to:

BitTorrent Web+11

Self-hostable online office suite for viewing and collaboratively editing documents, spreadsheets, presentations, PDFs, and forms with strong OOXML compatibility.

AGPL-3.0Actively maintained

Alternative to:

ONLYOFFICE Docs Cloud+13

Lura is a stateless, high-performance API gateway framework for building reverse proxies that aggregate, transform, and secure backend APIs via middleware and plugins.

Actively maintained

Alternative to:

Amazon API Gateway+9

Canvas LMS is an open-source learning management system for course delivery, assignments, grading, communication, and integrations for schools and universities.

AGPL-3.0Actively maintained

Alternative to:

Google Classroom+10

Open-source API client and HTTP interceptor to test APIs, modify requests and responses, and create API mocks for faster development and debugging.

Actively maintained

Alternative to:

Postman+10

Spacebar is an open source, self-hostable Discord-compatible communication platform with text chat, voice, and video, designed to work with existing clients and bots.

AGPL-3.0Actively maintained

Alternative to:

Discord+19