Self-hosted projects tagged “API”

GraphHopper is an open source routing engine for OpenStreetMap, providing fast route calculation, turn-by-turn instructions, isochrones, and map matching via Java or HTTP APIs.

Apache-2.0Actively maintained

Alternative to:

Mapbox+1

Self-hosted media server to organize and read comics and manga, with a web reader, REST API, OPDS catalogs, and eReader sync (Kobo, KOReader).

MITActively maintained

Alternative to:

Amazon Kindle+7

Open-source feature flagging and remote config platform to control releases, segment users, and run A/B or multivariate tests across web, mobile, and backend apps.

BSD-3-ClauseActively maintained

Alternative to:

LaunchDarkly+2

Self-hostable cryptocurrency trading bot to automate grid, DCA, AI and TradingView-based strategies across many exchanges, with backtesting and paper trading.

GPL-3.0Actively maintained

Alternative to:

3Commas+5

Open-source runbook automation platform to schedule jobs, orchestrate workflows, and provide controlled self-service operations via web UI and API.

Apache-2.0Actively maintained

Alternative to:

PagerDuty Rundeck+11

Passbolt is an open-source, security-first password and secret manager for teams, with end-to-end encryption, granular sharing permissions, and auditing.

AGPL-3.0Actively maintained

Alternative to:

Passbolt Cloud+11

Open-Meteo is an open-source weather API providing hourly forecasts, historical weather, air quality and more from national weather models, with optional self-hosting.

Self-hosted SponsorBlock client that connects to YouTube TV apps on smart TVs and streaming devices to automatically skip sponsor segments, intros, and more.

Open source web analytics focused on privacy, lightweight tracking, and simple, meaningful reports as an alternative to Google Analytics or Matomo.

Actively maintained

Alternative to:

Google Analytics+11

Self-hosted product analytics and engagement platform for mobile, web, desktop, and connected devices, with dashboards, crash reporting, push notifications, and privacy tools.

Actively maintained

Alternative to:

Countly+17

Open source, web-based helpdesk for managing customer support tickets across multiple channels like email, chat, phone, and social media.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+19

All-in-one secure mail server with SMTP, IMAP, webmail, automatic TLS (ACME), and built-in SPF/DKIM/DMARC plus junk filtering for low-maintenance domains.

MITActively maintained

Alternative to:

Microsoft Exchange Online+19

Baserow is an open-source Airtable alternative to build databases, views, forms, automations, dashboards, and internal apps with an API-first platform.

Actively maintained

Alternative to:

Airtable+11

Open-source, modular billing and payments platform for subscriptions with real-time analytics, APIs, and plugin extensibility.

Apache-2.0Actively maintained

Alternative to:

Zuora+14

Community-driven open-source CRM providing sales, marketing, service, reporting, workflow automation, REST API and on-premises or hosted deployment.

AGPL-3.0Actively maintained

Alternative to:

Salesforce Sales Cloud+17

TrailBase is a fast, single-executable Firebase alternative with type-safe REST and realtime APIs, built-in auth, admin UI, WebAssembly extensibility, and SQLite storage.

OSL-3.0Actively maintained

Alternative to:

Firebase+6

Kan is an open-source Trello alternative for kanban boards, cards, labels, comments, and team workspaces, with Trello import and self-hosting support.

AGPL-3.0Actively maintained

Alternative to:

Trello+19

Aimeos is an API-first, high-performance e-commerce framework for Laravel, enabling scalable online shops, marketplaces, and complex B2B commerce applications.

MITActively maintained

Alternative to:

VTEX+1

OpenEMR is an open-source electronic health records (EHR/EMR) and practice management platform for clinics, including scheduling, billing, and interoperability features.

GPL-3.0Actively maintained

Alternative to:

Cerner (Oracle Health)

Solidus is an open-source Ruby on Rails eCommerce framework with a powerful admin, REST API, and extensible architecture for building customizable online stores.

Actively maintained

Alternative to:

VTEX+1

Kanidm is a secure identity management platform providing SSO, passkeys (WebAuthn), and integrations like OAuth2/OIDC, RADIUS, and LDAP gateway for legacy apps.

MPL-2.0Actively maintained

Alternative to:

Okta+19

PHP-based self-hosted URL shortener for your own domains, with REST API, CLI management, and visit analytics including anonymized stats and geolocation.

MITActively maintained

Alternative to:

Bitly+11

Minimalistic document management and archiving platform for long-term storage, full-text search, tagging, and automated ingestion via email or folders.

AGPL-3.0Actively maintained

Alternative to:

M-Files+11

Umbraco CMS is an open-source ASP.NET Core content management system with an editor-friendly backoffice, extensible architecture, and scalable deployment options.

MITActively maintained

Alternative to:

WordPress.com+13

Vikunja is an open-source to-do and task management app with projects, sharing, assignments, and multiple views like list, Kanban, Gantt, and table.

AGPL-3.0Actively maintained

Alternative to:

Trello+19

CKAN is an open-source data management system for building data portals and catalogs to publish, search, share, and access datasets via web UI and APIs.

Actively maintained

Alternative to:

data.world+1

Kimai is an open-source, web-based time tracking app for teams and freelancers, with project/customer management, reporting, exports, and invoicing.

AGPL-3.0Actively maintained

Alternative to:

Kimai Cloud+19

Scraperr is a self-hosted web scraping app with a web UI, XPath extraction, job queueing, domain spidering, media downloads, and CSV/Markdown export.

MITSlowing down

Alternative to:

Apify+3

Ackee is a self-hosted, privacy-focused website analytics tool built with Node.js and MongoDB, offering a minimal UI and a GraphQL API for collecting traffic and events.

MITActively maintained

Alternative to:

Google Analytics+11

OPNsense is an open source FreeBSD-based firewall and routing platform with a web GUI, API, VPN, traffic shaping, and security features for networks and homelabs.

BSD-2-ClauseActively maintained

Alternative to:

Fortinet FortiGate+12