Self-hosted projects tagged “API”

Windmill is an open-source developer platform to turn scripts into webhooks, cron jobs, workflows, and internal apps with auto-generated and low-code UIs.

Actively maintained

Alternative to:

Windmill+12

Maxun is an open source no-code platform to build web scraping robots that extract structured data and expose websites as APIs, markdown, or automated pipelines.

AGPL-3.0Actively maintained

Alternative to:

Apify+1

A Python-based notification library and CLI that routes messages to 120+ services via URL-based configurations, enabling self-hosted cross-platform alerts.

BSD-2-ClauseActively maintained

Alternative to:

Twilio+4

EMQX is a high-performance MQTT broker and IoT messaging platform with clustering, security controls, a SQL rules engine, and integrations to databases and event systems.

Actively maintained

Alternative to:

EMQX Cloud+3

LibreTranslate is a free, open-source machine translation API you can run on your own infrastructure, with offline-capable translations and a simple HTTP API.

AGPL-3.0Actively maintained

Alternative to:

Google Translate

Jackett is a self-hosted indexer proxy that integrates many torrent trackers and exposes them through a unified Torznab/Newznab-compatible API and RSS feeds for apps like Sonarr and Radarr.

FreshRSS is a fast, multi-user RSS/Atom feed aggregator with tagging, search, OPML import/export, WebSub push updates, and optional web scraping for sites without feeds.

AGPL-3.0Actively maintained

Alternative to:

Feedly+12

Gotify is a self-hosted notification server that delivers messages in real time via WebSocket, with a REST API, web UI, and optional clients like Android and CLI.

Open-source eCommerce platform for B2C and B2B with a modular architecture, headless APIs, and support for multi-store, multi-currency, and extensibility via extensions.

BSD-3-ClauseActively maintained

Alternative to:

Shopify+10

FlareSolverr is a proxy server with a REST API that uses a headless Chrome session to solve Cloudflare/DDoS-GUARD challenges and return HTML and cookies.

MITActively maintained

Alternative to:

Browserless+7

Sonarr is a smart PVR for TV series that monitors RSS/indexers, grabs releases via Usenet or BitTorrent clients, and organizes your library with renaming and upgrades.

GPL-3.0Actively maintained

Alternative to:

Channels DVR+2

Open source IT asset management for tracking hardware, software licenses, and assignments, with audit history and a REST API for automation.

AGPL-3.0Actively maintained

Alternative to:

Snipe-IT Hosted+4

Open-source proofreading and writing assistant that checks spelling, grammar, punctuation, and style across 30+ languages, with an HTTP API for integrations.

LGPL-2.1Actively maintained

Alternative to:

Grammarly+4

Self-hosted Dropbox-like web file manager that connects to SFTP, S3, WebDAV, SMB/NFS, Git and more, with sharing links, plugins, and SSO integration.

AGPL-3.0Actively maintained

Alternative to:

Dropbox+19

Open-source web UI and API for running Ansible, Terraform/OpenTofu, Bash, and PowerShell tasks with project isolation and access control.

MITActively maintained

Alternative to:

Atlantis Cloud+16

Self-host Google Fonts easily: select variants and subsets, download font files (woff2, woff, ttf, eot, svg) and generate matching CSS snippets via web UI or API.

Gotenberg is a containerized HTTP API that converts HTML, Markdown, and Office documents to PDF using engines like Chromium and LibreOffice, with options to merge and automate outputs.

MITActively maintained

Alternative to:

PDFShift+9

wallabag is a self-hostable read-it-later service to save web pages, extract clean article content, tag and organize items, and read them on any device.

MITActively maintained

Alternative to:

Pocket+4

YOURLS is a self-hosted PHP URL shortener with custom short links, a developer API, detailed click analytics, and an extensible plugin architecture.

MITActively maintained

Alternative to:

Bitly+14

Modular, API-first ecommerce platform (Magento 2) for building customizable B2C and B2B storefronts with extensibility and rich commerce features.

OSL-3.0Actively maintained

Alternative to:

Adobe Commerce (Magento Commerce)+6

Manticore Search is a fast open-source search database for full-text, faceted, and vector search with SQL (MySQL protocol) and HTTP JSON APIs.

GPL-3.0Actively maintained

Alternative to:

Manticore Search+15

Self-hosted status page and uptime monitoring tool with configurable health checks, dashboards, metrics, and alerting for HTTP, TCP, ICMP, and DNS endpoints.

Apache-2.0Actively maintained

Alternative to:

UptimeRobot+19

Aureus ERP is an open-source, modular ERP platform built on Laravel for managing accounting, HR, CRM/sales, projects, inventory, and procurement.

MITActively maintained

Alternative to:

Odoo+8

ESPHome generates custom firmware for ESP32/ESP8266 and other boards from YAML, enabling local smart home devices with Home Assistant, API, and MQTT integration.

Actively maintained

Alternative to:

Blynk+15

Open source tool to publish SQLite databases as an interactive website with a JSON API, with a powerful plugin system for search, auth, and customization.

Apache-2.0Actively maintained

Alternative to:

Directus Cloud+10

Misskey is an open-source federated microblogging platform using ActivityPub, enabling communities to run their own social server and interact across the fediverse.

AGPL-3.0Actively maintained

Alternative to:

Misskey+6

Self-hosted bookmark manager with tagging, notes, read-it-later, sharing, archiving, import/export, browser extensions, and a REST API.

MITActively maintained

Alternative to:

Raindrop.io+11

Open-source, self-hostable URL shortener with custom domains, link management, private analytics, and a REST API.

MITActively maintained

Alternative to:

Bitly+11

WooCommerce is an open-source ecommerce platform for WordPress, enabling customizable online stores with products, checkout, payments, shipping, taxes, and extensions.

Actively maintained

Alternative to:

Wix eCommerce+5

Open-source TypeScript eCommerce platform for building customizable online stores with React and GraphQL, including catalog, checkout, orders, and an admin dashboard.

GPL-3.0Actively maintained

Alternative to:

WooCommerce+6