Startup Return Calculator - How much money can your startup investment make you?
Best Referral Programs - A curated directory of startup referral programs
Harpoon Revenue Goal Calculator - Freelancers, how much money do you need to make?
Viral Loops - Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.
KnightOS - An open-source OS for calculators
GrowSurf - Referral software for B2C, FinTech, and SaaS companies.