libev vs Okular
A side-by-side look at libev and Okular. For an in-depth review of either product, follow the links below.
libev
Development
libev is a high-performance event loop/event model library written in C. It allows asynchronous events and callbacks to be registered and handled efficiently in applications. libev supports various event notification interfaces like timers, signals, sockets, pipes, and more.
cevent-loopasynchronouscallbackstimerssignalssocketspipes
Okular
Office & Productivity
Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.
pdfepubodtannotatinghighlightingcommentingform-filling