Tangerine Index lists products launched since ChatGPT and people's reactions to them.
exo
github.com
Exo is an agent + harness architecture that is fully recursive, able to safely edit all aspects of itself at runtime to get better at your tasks.
Open source
Reactions (1)
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by description similarity
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Harness the agent. Then harness its self-improvement.
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an O-cap based JavaScript agent sandbox
Herald-OS
An agent-native operating system, with Hermes Agent as the interface. Independent project, not affiliated with Nous Research.
nexent
Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.