I would pick Uhasibu too , the business case is solid , same to kopokopo who solve a real business problem. 
<div><br></div><div>What I found interesting is the figures the devs were quoting as needed, look out for interesting comments on this from Uhasibu/<a href="https://github.com/pluspeople/MpesaPi">MpesApi</a> Mike Perdesen and Seven Sea&#39;s Mike Macharia coming soon on <a href="http://cio.co.ke">http://cio.co.ke</a> </div>