✓
Tool
Category
Pricing
Free?
Updated
Julep
AI Agents
Freemium
✓
Mar 2026
→
Platform for building stateful, long-running AI agents with persistent memory
Best for: stateful
Fixie AI
AI Agents
Freemium
✓
Mar 2026
→
Platform for building conversational AI agents with memory, tools, and deployable hosting
Best for: conversational
Semantic Kernel
AI Agents
Free
✓
Mar 2026
→
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
ChatGPT ✓
AI Writing
Freemium
✓
Mar 2026
→
OpenAI's conversational AI assistant for writing, coding, analysis, and creative tasks.
Best for: chatbot