productivity

• aqbanking online banking interface and financial data framework
• baikal lightweight CalDAV and CardDAV server
• bruce Python-based presentation tool
• calcurse text-based calendar and scheduling application
• davical CalDAV/CardDav calendar/contacts server
• deskzilla desktop bugzilla browser
• devtodo reminder/task program aimed at developers
• epr-reader terminal/CLI Epub Reader
• fet automatically create timetables
• glabels labels and business card designer
• gnucash personal and small-business financial-accounting software
• gnucash-docs user documentation module for GnuCash
• grisbi personal accounting application
• gsimplecal lightweight GTK calendar applet
• gtg GTD organizer for GNOME
• hledger command-line interface for the hledger accounting system
• homebank personal accounting application
• impressive stylish PDF presentation generator
• jrnlc opinionated command line journal
• khal standards based terminal calendar
• khard console vCard address book
• kmymoney accounting for KDE 5
• ktimetracker todo management and time tracker
• kuserfeedback KDE framework for collecting user feedback
• ledger command line double-entry accounting ledger
• libalkimia KDE financial data handling library
• libphonenumber C++ library to parse/format/validate phone numbers
• librcps library for resource constrained project scheduling
• lifeograph diary and journal application
• mcds tty-based CardDav search tool
• minder Mind-mapping application
• monica self hosted personal CRM system
• novprog graphical wordcount grapher
• osmo handy personal organizer
• p5-Business-Tax-VAT-Validation European VAT number validator
• p5-iCal-Parser parse iCalendar files into a data structure
• projectlibre open source alternative to Microsoft Project
• py-caldav caldav client library for Python
• py-tasklib Python library to interact with Task Warrior
• qbirthday birthday reminder with tray notification
• radicale simple CalDAV calendar server
• radicale2 simple CalDAV calendar server
• rednotebook diary and journal application
• rubrica2 addressbook manager
• siag tightly integrated, free office package
• sl substantially more useful ls
• slideml HTML slide generator based on SlideML
• taskd lightweight server providing access to task data
• taskwarrior command line todo list manager
• tdl to-do list manager
• teapot three dimensional console spreadsheet
• thinkingrock collecting and processing thoughts according to GTD
• timewarrior command line tracking time tool
• tudu hierarchical todos manager
• vdirsyncer synchronize calendars and contacts
• vit ncurses front-end for taskwarrior
• vym generate and manipulate maps of your thoughts
• when simple but effective personal calendar
• workrave RSI prevention tool
• xinvest personal finance tracking and performance tool
• xquote WWW quote retrieval tool
• yokadi command-line oriented todo list system
• zim desktop wiki