Alternatives to Plain
Plain: AI support infrastructure for B2B teams. 8 products similar to Plain, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 6 of 8 offer an MCP server, 1 of 8 is open source.
- Slack
AI work platform and productivity tools
- Plane
AI-native project management for teams and agents
- Hex
The Analytics platform for humans and agents
- Snill
Custom business systems through conversation
- Courier
Customer messaging platform for humans and AI agents
- Sflow
AI chatbot, agent, and data analytics platform for business
- PlaceCall
The real-world action layer for AI apps and agents
- Fernand
Customer support platform for SaaS teams with a shared inbox, knowledge base, and AI agent
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Plain | Freemium · from $45 per user per month (Foundation, billed annually); Horizon $99 per user per month; Frontier custom | no | yes | yes | yes | no |
| Slack | Freemium | yes | yes | yes | yes | no |
| Plane | Freemium · from $6/user/mo (annual billing) | yes | yes | yes | yes | yes |
| Hex | Freemium · from $36 per Editor / month | yes | yes | yes | no | no |
| Snill | Freemium · from $0 | yes | yes | yes | no | no |
| Courier | Freemium | yes | yes | yes | yes | no |
| Sflow | Freemium · from $3.99/user/month | yes | yes | — | — | no |
| PlaceCall | Usage-based | yes | yes | yes | yes | no |
| Fernand | Freemium | yes | yes | no | no | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/plain/alternatives