Plain Text Accounting(plaintextaccounting.org)

70 points by pessimizer 3 years ago | 27 comments

Free Math Texts(hefferon.net)

10 points by Tomte 2 years ago | 0 comments

Abykus – A free spreadsheet application for windows(abykus.com)

35 points by RalfWausE 2 years ago | 11 comments

HTML Slides with notes(nbd.neocities.org)

65 points by Curiositry 11 months ago | 23 comments

Complex and R^2 Graph Plotter(tobylam.xyz)

31 points by thehorseofdoom 2 years ago | 5 comments

Calendar.txt(terokarvinen.com)

323 points by Iuz 1 year ago | 127 comments

Tero Karvinen's page describing Calendar.txt, a format for keeping a calendar in a plain text file, with a downloadable template.