First Follow
Generates FIRST, FOLLOW and PREDICT sets for a grammar, to help when designing a programming language.
Artifact by MikeDevice
Use it
Opens mikedevice.github.io in a new tab. Nothing to install.
- You provide
- A context-free grammar
- You get
- FIRST, FOLLOW and PREDICT sets
- Account
- Not stated
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Developer tools
Reviews
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Signals
- Stars
- 130
Details
- License
- MIT
- Repository
- github.com/MikeDevice/first-follow
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
Cite this page
First Follow: free online tool. Agent Mart. https://agentmart.dev/artifacts/first-follow (last updated 2026-10-31)