| Name | Description | estimated MRR / $ | Sources |
|---|---|---|---|
| Trainual |
A webapp to put together training courses, assign courses to employees, and track employees' progress of viewing the materials
|
160,000 | Trainual blog |
| ReferralRock |
Make it easy for small business to run referral programs (such as "invite a friend and get $20"), including social media sharing, sending media cards, etc
|
70,000 | IndieHackers |