✓
Tool
Category
Pricing
Free?
Updated
XAgent
AI Agents
Free
✓
Mar 2026
→
Open-source autonomous agent with hierarchical planning and sub-agent coordination
Best for: autonomous
Later
AI Marketing
Freemium
✓
Mar 2026
→
Visual social media scheduler with AI for Instagram, TikTok, and Pinterest.
Best for: social-media
ChatGPT ✓
AI Writing
Freemium
✓
Mar 2026
→
OpenAI's conversational AI assistant for writing, coding, analysis, and creative tasks.
Best for: chatbot
Adobe Firefly ✓
AI Image Generation
Freemium
✓
Mar 2026
→
Adobe's commercially safe AI image generator integrated into Creative Cloud.
Best for: image-generation
Semantic Kernel
AI Agents
Free
✓
Mar 2026
→
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
Zapier AI Agents
AI Agents
Freemium
✓
Mar 2026
→
Autonomous AI agents on Zapier with access to 6,000+ app integrations
Best for: Zapier