Open Source Alternatives

Alternatives Blog Advertise

Open Source Alternatives

Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

Categories
Tag
Sign In

Resources

Blog
Collection
Submit
Advertise your tool

Company

Privacy Policy
Terms of Service
Refund Policy
Sitemap

Copyright © 2026 All Rights Reserved.

Best Open Source APIs & Integration Tools in 2026

Category

APIs & Integration

All
Web Development
Backend Development
APIs & Integration
Developer Tools
DevOps & CI/CD
Cloud & Hosting
LLMOps & AI Tooling
Databases & Storage
No-Code & Low-Code
Customer Support
IT Management
Marketing & Growth
Finance & Fintech
Product & Project Management
AI & Machine Learning
Data & Analytics
Communication & Collaboration
Business & Productivity
Design & Creative
Security & Monitoring
Web & App Development

OpenPDF

stars 4.3Kforks 707

Free open source Java library for creating and editing PDFs

Developer Tools API Infrastructure Workflow Automation+3

Previous
1
2
3
4
5
Next

Cube

stars 20.5Kforks 2.1K

Headless BI platform with a shared semantic layer for your data

Data Visualization API Infrastructure AI Agents+3