Self-hosted projects tagged “API

431 open source projects with this tag

431 services found

n8n

n8n

Workflow automation platform with visual builder and code support

176.3k
55.2k
Last commit: 8h ago

Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

Alternative to:
Zapier
Zapier
+17
Ollama

Ollama

Run and manage large language models locally with an API

163.4k
14.7k
Last commit: 14h ago

Ollama is a local LLM runtime that lets you pull, run, and customize models, offering a CLI and REST API for chat, generation, and embeddings.

Alternative to:
OpenAI API
OpenAI API
+15
Hoppscotch Community Edition

Hoppscotch Community Edition

Open-source API client for REST, GraphQL, WebSocket and more

77.9k
5.6k
Last commit: 20d ago

Hoppscotch Community Edition is an open-source API development and testing tool for REST, GraphQL, WebSocket, SSE, MQTT, and Socket.IO with collections and environments.

Alternative to:
Postman
Postman
+9
Stirling PDF

Stirling PDF

Self-hosted PDF editing, conversion, OCR, and automation platform

74.6k
6.3k
Last commit: 7h ago

Open-source PDF platform to edit, convert, OCR, sign, redact, and automate PDF workflows via a web UI and REST API.

Alternative to:
Adobe Acrobat
Adobe Acrobat
+19
Strapi

Strapi

Open-source Node.js headless CMS for REST and GraphQL APIs

71.4k
9.5k
Last commit: 10h ago

Open-source headless CMS for building customizable content APIs with an admin UI, supporting REST/GraphQL and multiple databases.

Alternative to:
Strapi Cloud
Strapi Cloud
+16
Apache Superset

Apache Superset

Data exploration, visualization, and dashboarding platform

70.7k
16.7k
Last commit: 7h ago

Apache Superset is an open-source BI platform for SQL-based data exploration, interactive dashboards, and rich visualizations with a no-code chart builder and SQL editor.

Alternative to:
Apache Superset (Managed Cloud)
Apache Superset (Managed Cloud)
+18
reveal.js

reveal.js

HTML presentation framework for creating interactive slide decks

70.6k
16.8k
Last commit: 9d ago

reveal.js is an open source HTML presentation framework for building interactive slide decks with HTML, Markdown, and JavaScript, including speaker notes and PDF export.

Alternative to:
Adobe XD
Adobe XD
Prometheus

Prometheus

Monitoring system and time-series database for metrics and alerting

62.9k
10.2k
Last commit: 9h ago

Prometheus is an open-source monitoring and time-series database for collecting metrics, querying with PromQL, and alerting on system and application health.

Alternative to:
Datadog Cloud Monitoring
Datadog Cloud Monitoring
+17
NocoDB

NocoDB

No-code spreadsheet interface for SQL databases with APIs

62.2k
4.6k
Last commit: 10h ago

Open-source Airtable alternative that turns Postgres/MySQL/SQLite into a no-code spreadsheet UI with views, permissions, integrations, and REST APIs.

Alternative to:
Airtable
Airtable
+10
MinIO

MinIO

High-performance S3-compatible object storage server

60.4k
7.1k
Last commit: 13d ago

MinIO is a high-performance, S3-compatible object storage server for building private cloud storage, data lakes, and scalable storage backends for applications.

Alternative to:
Amazon S3
Amazon S3
+7
Memos

Memos

Privacy-first self-hosted note-taking and knowledge base

57.2k
4.1k
Last commit: 9h ago

Memos is a lightweight, privacy-first self-hosted note-taking service with Markdown, fast search, and sharing features for personal notes, wikis, and team knowledge.

Alternative to:
Memos Cloud
Memos Cloud
+19
Meilisearch

Meilisearch

Fast search engine API with full-text, vector, and hybrid search

56.1k
2.4k
Last commit: 13h ago

Meilisearch is a lightning-fast search engine API for apps and websites, offering typo-tolerant full-text search plus vector and AI-ready hybrid retrieval.

Alternative to:
Algolia
Algolia
+16
AnythingLLM

AnythingLLM

All-in-one AI chat app with RAG, agents, and multi-model support

55k
5.9k
Last commit: 1d ago

AnythingLLM is an all-in-one desktop and Docker app for chatting with documents using RAG, running AI agents, and connecting to local or hosted LLMs and vector databases.

Alternative to:
AnythingLLM Cloud
AnythingLLM Cloud
+19
Appwrite

Appwrite

Open-source backend platform for web and mobile applications

55k
5k
Last commit: 1mo ago

Appwrite is an open-source backend-as-a-service for building web and mobile apps with authentication, databases, storage, functions, realtime APIs, and messaging.

Alternative to:
Firebase
Firebase
+4
Ghost

Ghost

Publishing platform with newsletters and paid memberships

51.9k
11.3k
Last commit: 8h ago

Ghost is an open-source publishing platform for blogs and websites with built-in newsletters, membership management, and paid subscriptions.

Alternative to:
Ghost(Pro)
Ghost(Pro)
+13
Coolify

Coolify

Self-hosted PaaS for deploying apps, databases, and services

51.1k
3.7k
Last commit: 10d ago

Open-source, self-hostable PaaS to deploy websites, full-stack apps, databases, and Docker services on your own servers with Git-based CI/CD workflows.

Alternative to:
Heroku
Heroku
+12
Mastodon

Mastodon

Open-source federated microblogging social network server

49.7k
7.4k
Last commit: 9h ago

Mastodon is an open-source, ActivityPub-compatible social network server for microblogging, offering federated timelines, moderation tools, media support, and APIs.

Alternative to:
Threads
Threads
+7
Jellyfin

Jellyfin

Self-hosted media server for managing and streaming your library

48.8k
4.5k
Last commit: 4d ago

Jellyfin is a free, self-hosted media server to organize, manage, and stream movies, TV, music, and photos to web, mobile, and TV clients.

Alternative to:
Plex
Plex
+19
Penpot

Penpot

Open-source design and prototyping tool for design–dev collaboration

44.4k
2.5k
Last commit: 9h ago

Penpot is an open-source UI design and prototyping platform with real-time collaboration, design systems support, and developer-friendly inspect mode with CSS/SVG/HTML ou...

Alternative to:
Figma
Figma
+6
LocalAI

LocalAI

OpenAI-compatible local AI inference server and API

43.1k
3.6k
Last commit: 8h ago

Run LLMs, image, and audio models locally with an OpenAI-compatible API, optional GPU acceleration, and a built-in web UI for managing and testing models.

Alternative to:
OpenAI API
OpenAI API
+19
RSSHub

RSSHub

RSS feed generator for websites and platforms without RSS

42.1k
9.3k
Last commit: 10h ago

RSSHub generates RSS/Atom/JSON feeds for thousands of sites and services that don’t provide feeds, exposing them as subscribable endpoints you can self-host.

Alternative to:
RSS.app
RSS.app
+1
Hyperswitch

Hyperswitch

Open-source payment orchestrator and modular payments switch

40.7k
4.6k
Last commit: 9h ago

Hyperswitch is an open-source payments switch and orchestrator that connects multiple payment processors through a single API, with modules for routing, vaulting, retries...

Alternative to:
Spreedly
Spreedly
+8
Cal.com

Cal.com

Open-source scheduling and appointment booking platform

40.3k
12k
Last commit: 11h ago

Self-hostable scheduling software for appointments and bookings with customizable booking pages, availability rules, reminders, and integrations for teams and developers.

Alternative to:
Calendly
Calendly
+12
Twenty

Twenty

Open-source CRM to manage customer data, sales workflows, and tasks

40.1k
5.2k
Last commit: 7h ago

Twenty is an open-source CRM alternative to Salesforce with customizable data models, views, permissions, and workflow automation for sales and customer management.

Alternative to:
Salesforce Sales Cloud
Salesforce Sales Cloud
+18
Appsmith

Appsmith

Open-source low-code platform for internal tools and dashboards

39.2k
4.5k
Last commit: 2d ago

Build and deploy internal tools, admin panels, and dashboards with a low-code UI builder that connects to databases and APIs and supports JavaScript logic and Git workflo...

Alternative to:
Retool
Retool
+14
Cobalt

Cobalt

Ad-free web media downloader for public social platforms

38.9k
3.2k
Last commit: 1mo ago

Cobalt is a self-hostable web media downloader for saving publicly accessible videos and audio from supported social platforms via a simple paste-a-link interface and API...

Alternative to:
iTubeGo
iTubeGo
+4
Novu

Novu

Open-source notifications infrastructure for inbox and multi-channel delivery

38.6k
4.2k
Last commit: 7h ago

Novu is an open-source notifications platform with a unified API, workflow orchestration, and embeddable in-app inbox for email, SMS, push, and chat.

Alternative to:
Novu Cloud
Novu Cloud
+4
ToolJet

ToolJet

Low-code platform for building internal apps, dashboards, and workflows

37.5k
5k
Last commit: 12h ago

ToolJet is an open-source low-code platform to build and deploy internal tools, dashboards, and workflows with integrations for databases, APIs, and SaaS apps.

Alternative to:
Retool
Retool
+19
Portainer

Portainer

Web UI and API for managing Docker and Kubernetes environments

36.7k
2.8k
Last commit: 20h ago

Lightweight web-based platform to manage Docker, Swarm and Kubernetes resources with a GUI and API, including access control and multi-environment operations.

Alternative to:
Portainer Business Edition (Portainer Cloud)
Portainer Business Edition (Portainer Cloud)
+6
CyberChef

CyberChef

Browser-based toolkit for data decoding, encoding and analysis

34.1k
3.9k
Last commit: 1d ago

CyberChef is a web-based “cyber” toolkit for encoding/decoding, encryption/decryption, compression, hashing, parsing, and data transformation using drag-and-drop recipes.