ksnip the cross-platform screenshot and annotation tool
Hewlett-Packard's Linux imaging and printing software
Swiss army knife of image processing
Qt based cross-platform screenshot tool with annotations
Quickly OCR part of the screen and save resulting text to clipboard
Cross-platform open source software for astrophotography
create screenshots without the need of confirmation
Data aquasition software for Thurlby DSA524
Podcast and lecture recording software
Yet Another Screen Capture Utility