Notion is an all-in-one workspace for note-taking, project management, and collaboration.
Free basic plan, paid plans starting at $4 per user per month
Best Slack AI Alternatives ranked by AI · updated Aug 2026
Slack AI adds generative search, conversation summaries, and answers to Slack's collaboration platform. It is for organizations already using Slack that want native AI assistance with minimal setup.
Developer: Slack Technologies
Price: Included with eligible paid Slack plans
🎯 slack.com/features/ai
Top 6 Slack AI alternatives
Guru is a platform for freelancers to find work and for employers to find freelancers.
Free basic plan, paid plans available
Son is an AI assistant that works inside Slack to answer workplace questions and help teams retrieve information. It is designed for...
Pros
- Works directly inside Slack instead of requiring a separate knowledge portal
- Designed for conversational access to team and company information
- Fits existing Slack-based workflows
Cons
- Less established than Slack AI, Glean, and Guru
- Pricing and product limits are not clearly published
- Value depends on the quality and accessibility of connected company knowledge
Glean is an enterprise search and workplace AI platform that indexes information across company applications and knowledge bases. It is built for...
Pros
- Stronger enterprise permissions and administration than Curiosity
- Searches across many organizational knowledge systems
- Provides AI-generated answers alongside traditional results
Cons
- Enterprise sales process is less accessible than Curiosity's individual app model
- Pricing is not publicly listed
- Overkill for personal files and small teams
Custom enterprise pricing
5
OnyX is a multifunction utility that allows you to verify the structure of your Mac's system, clean up files, and more.
Pros
- Free to use
- Comprehensive system maintenance tools
Cons
- May be overwhelming for inexperienced users
- Lacks some automation features found in CleanMyMac X
6
Tettra is a knowledge management platform that helps teams organize and share internal documentation.
Pros
- Robust search capabilities
- Integration with popular tools
Cons
- Higher price point
- Complex setup process
Starting at $99/month
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