Helium is a fast, secure WhatsApp bulk messaging tool. Send messages and files to multiple contacts at once, manage your campaigns, and enjoy privacy with no data stored. Free and premium plans available.

Flarebase is a lightweight, Python-based BaaS powered by FastHTML. With a clean, playful UI, it makes database setup and management effortless.

OpenSAT, a free and open-source SAT question bank. Dive into a massive pool of SAT practice problems, constantly growing thanks to a dedicated community of contributors.