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Cap'n Proto vs Echo

People
Cap'n ProtoDeveloper Tools
EchoDeveloper Tools
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Price
Free
Free

Developer Tools

Annual estimate10 people, entry price
Free
Free
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Developer Tools

Overview
Focus
Developer Tools
Developer Tools
Product
Insanely fast data interchange format and capability-based RPC system originally by Google Protocol Buffers creator.
High-performance minimalist Go web framework with middleware support, data binding, and automatic TLS certificate handling.
Headquarters
Remote
Remote
Company size
N/A (Sandstorm)
2-10 employees
Founded
2013
2015
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan
Source updated
Oct 29, 2026
Nov 2, 2026

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