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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Categories
  3. /Open Source Projects

Free Open Source Projects APIs

11 free public Open Source Projects APIs for developers. 10 support HTTPS, 7 allow CORS from the browser and 9 need no API key.

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Showing 11 of 11 APIs

Countly logo

Countly

Countly web analytics

No authNo HTTPSCORS ?
Creative Commons Catalog logo

Creative Commons Catalog

Search among openly licensed and public domain works

OAuthHTTPSCORS
D

Datamuse

Word-finding query engine

No authHTTPSCORS ?
Drupal.org logo

Drupal.org

Drupal.org

No authHTTPSCORS ?
E

Evil Insult Generator

Evil Insults

No authHTTPSCORS
GitHub Contribution Chart Generator logo

GitHub Contribution Chart Generator

Create an image of your GitHub contributions

No authHTTPSCORS
GitHub ReadMe Stats logo

GitHub ReadMe Stats

Add dynamically generated statistics to your GitHub profile ReadMe

No authHTTPSCORS
Libraries.io logo

Libraries.io

Metadata, dependencies and release history for open-source packages across 30+ managers

apiKeyHTTPSCORS
Metabase logo

Metabase

An open source Business Intelligence server to share data and analytics inside your company

No authHTTPSCORS
Neuronto ARD Registry logo

Neuronto ARD Registry

Search index of MCP servers, agents and APIs, with the tools each server actually exposes

No authHTTPSCORS
Shields logo

Shields

Concise, consistent, and legible badges in SVG and raster format

No authHTTPSCORS ?

Open Source Projects API FAQ

How many free Open Source Projects APIs are there?

There are 11 free public Open Source Projects APIs in the directory. 10 support HTTPS, 7 are confirmed to allow CORS and 9 need no API key.

Which Open Source Projects APIs work without an API key?

9 Open Source Projects APIs need no authentication, including Countly, Datamuse, Drupal.org and Evil Insult Generator. You can call them straight away without signing up.

Which Open Source Projects APIs can I call from the browser?

APIs with CORS enabled can be called directly from front-end JavaScript. In Open Source Projects, that includes Creative Commons Catalog, Evil Insult Generator, GitHub Contribution Chart Generator and GitHub ReadMe Stats.