Option A
Open-source feature flags and A/B testing.
GrowthBook is an open-source platform for feature flags and experimentation, with SDKs in every major language.
- Founder
- Stephen Pinkerton
- Founded
- 2020
- Team
- 11-50
- Listing
- Free (nofollow)
- Listed
- May 2026
Option B
Buy and sell tiny startups for free with 0% commission
BuySellStartups is the simplest way to buy or sell an internet business. Free to list, 0% commission — thousands of founders have already transacted here. Whether you're looking to exit or acquire, this is where deals get done.
- Listing
- Pro (do-follow)
- Listed
- May 2026