


Letta is a complete operating system for building stateful agents AI agents. Letta handles state persistence, context compilation, and intelligent resource allocation, so you can focus on building applications powered by agents that actually learn. Letta was founded by the creators of MemGPT, which introduced memory (or context) management for AI agents. Today's AI agents struggle with fragmented context and limited memory. Just as computers needed operating systems to manage resources, your agents need intelligent context management to unlock their full potential.
Vellum’s best-in-class prompt playground lets you systematically iterate and refine prompts with ease. Perform side-by-side comparisons between models from any provider - close sourced, open sourced, and even self-hosted. Use Vellum to build and ship reliable AI solutions. Define, evaluate and monitor AI solutions through test-driven development for AI.
testRigor is a codeless test automation tool helping companies empower manual testers to build test automation via executable specifications in plain English 15X faster than with Selenium and spend 200X less time maintaining tests compare to Selenium. testRigor is best applied as a nocode automation testing tool for cross-system end-to-end testing to build tests spanning web, mobile, Salesforce, ServiceNow, Microsoft Dynamics, SAP, and any other 3rd party systems in one simple test.