system

• baobab disk usage
• convmv file name encodings
• glsof gui for lsof
• inxi system information
• powertop power management, can optimze some kernel settings
• tlp power management, start w/ systemd
• testdisk data recovery
• glances system monitoring
• fdupes, rmlint and czkawka find duplicate files
• ranger terminal file manager
• eza replacement for ls

terminals

• guake drop down terminal
• terminator gnome term fork, haben philip und andre benutzt
• terminology enlightment
• tmux wm in term, supersedes screen

dev

• strace debugging
• sqlitebrowser
• umlet uml editor
• yed graph editor
• wireframesketcher or pencil for ui dev
• editors 2018: codeblocks and visualstudio code
• typora markdown editor

office

• planner simple project planning
• rubber wrapper for latex compiler
• evince pdf viewer, also supports postscript

multimedia and idling

• asunder audio cd ripper
• eog gnome image viewer
• handbrake transcode dvd and other media
• mcomix image viewer, comic reader
• mediainfo-gui view info about video/audio files

science

• kstars

unsorted

• powerline-vim vim status bar on steroids
• xdotool command line x automation tool