Topic: DLink LR-N-R2000 (DIR-614-A1)
I am current using the above router from my ISP (TMNET) since 2013 and was using the default firmware 1.07TM until recently where I changed it to 1.09OD which I think I obtained it from Singapore DLink.
The source for 1.07 should be available tsd.dlink.com.tw i.e. Taiwan DLink site (under L7 not DIR). It is under a GPL license so I think any developer should be able to modify it freely.
I wish to request for this to be made one of OpenWrt products.