Self-hosted projects tagged “API”
431 open source projects with this tag
431 services found

n8n
Workflow automation platform with visual builder and code support
Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.


Ollama
Run and manage large language models locally with an API
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.

Hoppscotch Community Edition
Open-source API client for REST, GraphQL, WebSocket and more
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.

Stirling PDF
Self-hosted PDF editing, conversion, OCR, and automation platform
Open-source PDF platform to edit, convert, OCR, sign, redact, and automate PDF workflows via a web UI and REST API.

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

Apache Superset
Data exploration, visualization, and dashboarding platform
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.

reveal.js
HTML presentation framework for creating interactive slide decks
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.

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

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

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


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


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

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

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


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

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

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

Jellyfin
Self-hosted media server for managing and streaming your library
Jellyfin is a free, self-hosted media server to organize, manage, and stream movies, TV, music, and photos to web, mobile, and TV clients.

Penpot
Open-source design and prototyping tool for design–dev collaboration
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...
LocalAI
OpenAI-compatible local AI inference server and API
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.

RSSHub
RSS feed generator for websites and platforms without RSS
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.

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

Cal.com
Open-source scheduling and appointment booking platform
Self-hostable scheduling software for appointments and bookings with customizable booking pages, availability rules, reminders, and integrations for teams and developers.

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

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

Cobalt
Ad-free web media downloader for public social platforms
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...

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

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

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


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