21tunnel vs REFER
Neck and neck on boosts. Profiles, pricing and deals below.
21tunnel
The tunnel for AI agents
community boosts
⚡ 0
pricing
Freemium
what it is
Mint a master key once. Your AI assistant runs autonomously with scoped, short-lived child keys and instant cascade revoke. Built for Claude Code, Cursor, Aider, Devin. Also a full-featured ngrok alternative.
REFER
Find & Share Referral Codes for Free
community boosts
⚡ 0
pricing
Freemium
what it is
Discover referral codes for top companies. Share your own codes to earn rewards — all for free. Find referral codes, share referral codes, all in one place.