Semlar.com – Compiled information resources about drops (using official drop table data), Zaws, Fishing, Rivens, and more.
Warframe Wiki – Documentation about gameplay mechanics compiled by both players and occasionally Digital Extremes’ staff.
Warframe Stat.us – Status tracker for various services related to Warframe.
Warframe Release and Prime Log – A log of the release order of all warframes.
Warframe Void Trader Log – A log of all of Baro Ki’Teer’s visits to the relays.
Warframe Resource Cost Log – A log of all of the equipment crafting and research resource costs. No longer being maintained.
Warframe Update Data – A log of when every update and hotfix took place.
Warframe Ayatan Sculpture Calculator – A calculator for how much potential Endo you have available through Ayatan sculptures and stars.
Warframe Focus Schools Progression Tracker – A calculator to keep track of how much more Focus is required for a given school. Make a copy of the file to use it for your own tracking. Current version: Focus 2.5.
There are a few other tools available for Warframe which I have not personally tested or used but may be worth checking out.
- WFInfo – A companion app for Warframe that gives quick access about in game items.