Automation
AWS Step Functions
Visual workflow service to build distributed applications and automate processes
Camunda
Workflow engine that delivers scalable, on-demand process automation
Potpie
Open source AI agents for your codebase in minutes. Use pre-built agents for Q&A, testing, debugging, and system design, or create your own purpose-built agents. 
OpenInt
Open-source embeddable product integrations.  
Vessel
Developer-first, native integration platform for GTM tools
n8n
Free and source-available fair-code licensed workflow automation tool. 
Abstra
Python-based workflow engine for custom business processes. 
YepCode
All-in-one platform to connect APIs and services in a serverless environment. It brings all the agility and benefits of NoCode tools but with all the power of using programming languages. The free tier includes 1.000 yeps
Apideck
Integration marketplace builder, one-API with 3rd parties for quick development
Sequin
Interface with third-party services using SQL. 
Nango
Hundreds of pre-built product integrations with 250+ APIs, customizable in code. 
Revert
Open-source unified API to build B2B product integrations. 