OOS Open Beta Builds released for OP3 and OP3T
https://forums.oneplus.net/threads/oxygenos-open-beta-13-for-oneplus-3.511083/

https://forums.oneplus.net/threads/oxygenos-open-beta-4-for-oneplus-3t.511084/

OOS OB13 mirrors for OP3

AFH link : https://www.androidfilehost.com/?fid=745425885120720767
Gdrive link : https://drive.google.com/open?id=0B_h2gzNOWQW_SVhwVDZqRWNvV3c

MD5 hash 891e03e26a2721958ae44720308d2a8f

Credits - @kingslayer89

New OTA for OnePlus - OnePlus 3/3T (oneplus3) is available!

AospExtended-v3.3-oneplus3-20170331-0420-OFFICIAL.zip

Size: 474.41 MB - md5sum: d72227f11d3d0ba346ea998c1b0325d9
Build date: March 31, 2017

New Franco Kernel for Op2

➡️ XDA Thread
➡️ Download Link

Changelog R6:
1️⃣ Merge One Plus's fixes from OxygenOS 3.5.8 Kernel source drop.
2️⃣ Slightly more conservative big cluster frequency scaling for lower power consumption.

#Official
https://plus.google.com/+AdamOvadia1/posts/FMexqKSazwG?_utm_source=1-2-2

Dirty Unicorns 7.1.2 released for OP3/3T
DL - https://download.dirtyunicorns.com/oneplus3/Official/

Dirty Unicorns official 7.1.2 for OP2
https://download.dirtyunicorns.com/oneplus2/Official/

Announcing weekly betas for oneplus 3/3t!!!!

The Beta Changelog:-
1- Merged 7.1.2_r4 tags
2-April security patch
3-OOS Cam V8 Added (Credits:- @siankatabg)
4- Kept SD cam too for comparison between the two (Wont be kept in later builds)
5-Enabled Tethering
6-Real time charging values (needs testing)
7-Live display calibration on new panels
8-Enabled Night Display
9-Corrected battery capacity for 3T users (should have done before but nevermind...)
10- No OTA support for BETAs

https://www.androidfilehost.com/?w=files&flid=170187- AFH link for build
https://www.androidfilehost.com/?fid=529152257862716774- gapps

https://forum.xda-developers.com/oneplus-3/oneplus-3--3t-cross-device-development/rom-aospextended-rom-v3-1-t3557363/page65
(Thread)