Here's the fifth "Meet the Batch" thread for YC's S21 batch. The previous thread was https://news.ycombinator.com/item?id=28073548, and if you're wondering what it's all about, the description is at https://news.ycombinator.com/item?id=27877280.

There are 7 startups in this thread. The initial order is random:

Clarity (YC S21) - Run your distributed team with a single weekly doc - https://news.ycombinator.com/item?id=28128962

Mentorcam (YC S21) - Get advice from public figures - https://news.ycombinator.com/item?id=28128958

Sirka (YC S21) - Tackling obesity in Southeast Asia - https://news.ycombinator.com/item?id=28128964

Echoes HQ (YC S21) - Measure the effectiveness of engineering organizations - https://news.ycombinator.com/item?id=28128961

PayHippo (YC S21) - Loans to small businesses in Nigeria - https://news.ycombinator.com/item?id=28130022

ContraForce (YC S21) - All-in-one cybersecurity platform - https://news.ycombinator.com/item?id=28128959

Palenca (YC S21) - Payroll API for Latin America - https://news.ycombinator.com/item?id=28128960