PIXLR is an alternative to Photoshop that you can use for photo editing as well as graphic design.

A visual plant identifier app that instantly recognizes thousands of plant species using your phone’s camera.

Poll an entire class with just your phone and paper cards.

This one analyzes how you're being tracked, especially across sites. It prides itself on blocking third-party trackers that launch in the background when you launch Chrome.

Powerful & versatile CAD software free for students only.

A sweeping visual programming language for multimedia, Pure Data is an open source program released under a “Modified BSD” license, considered GPL-compatible by the Free Software Foundation.

Exit tickets that auto-differentiate follow-ups and visualize mastery.

Exit tickets that auto-differentiate follow-ups and visualize mastery.

Assignable quizzes with homework and instant feedback.

Flashcards with practice tests and games.

Software environment for statistical computing & graphs.

Though Linux users have access to multiple plugin formats, they are not actually necessary, thanks to the JACK, a low-latency sound server daemon that allows interconnection of audio and MIDI from different programs. Rackarrack is just such a program.

An AI-powered journaling app that prompts self-reflection and emotional processing through a conversation-like interface.

SMS updates for classes without sharing phone numbers.

Another DAW initially developed for Linux and now in alpha for Windows, too, Rosegarden is a fully realised MIDI and audio workstation with all the trimmings.