free

Free coding curriculum with certifications

Free, peer-reviewed textbooks by Rice University

Browser-based image compression by Google Chrome Labs.

Comments powered by GitHub Discussions. Free and open source.

Lightweight comments widget built on GitHub Issues.

Multi-channel push notification service. Free tier available.

Static status page generated with Hugo. Super fast and free.

Open-source Typeform alternative. Self-hosted forms.

Open-source form builder. Beautiful Typeform alternative.

Free scheduling tool with team features.

100% free live chat software.

gRPC and REST API client for developers.