Over time, software is getting larger and slower. The following is a list of low-resource, open-source applications that will run fast and lean on your computer, even if it's a potatoe.

Email

• neomutt (client)
• aerc (client)
• isync (sync)
• notmuch (search)

Messaging

• profanity (xmpp)
• weechat (irc)

Text Editor

• neovim
• emacs

File Sync/Backups

• syncthing (sync)
• rclone (backup)
• restic (backup)

Data Management/Visualization

• sc-im (spreadsheet)
• visidata (visualization)
• gnuplot (plotting)

Calendar/Contacts

• khal (calender)
• khard (contact)
• xandikos (CalDav/CardDav server)

Password Manager

• keypassxc
• gopass

Music

• musikcube