Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Music Tag - Music Tag Editor- An automatic MP3 tagger which identifies your music and then downloads its artwork and other music tags like track Title, Artist, Album and more.
JetRadar - Compare flights from hundreds of airlines & travel agencies
TigoTago - TigoTago is a spreadsheet-based tag editor for media files. Automated tags import from dicogs.
Kiwi.com - Find and book the best low-cost flights all around the world
MetatOGGer - Présentation du logiciel Metatogger