CoinDCX - An exchange and global cryptocurrency aggregator

draw.io - Online diagramming application

Crumbs - Turn spare change into crypto 🚀🌕

Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

Gemini - Gemini is a web-based project management platform that supports for issue tracking, bug tracking, test management, help desk.

yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.