Caido
A lightweight web security auditing toolkit
About Caido
Caido is a modern, open-source web security auditing toolkit — a Burp Suite alternative. Proxy, replayer, automate, and share findings through a fast Rust-based backend and beautiful web UI. Built for security professionals who love good tooling.
Pitch deck breakdown
How Caido would pitch themselves.
Target customer
Developers + open-source communities + enterprises wanting an OSS-first tool in this category, with optional commercial support.
Problem they solve
Caido is a modern, open-source web security auditing toolkit — a Burp Suite alternative. Proxy, replayer, automate, and share findings through a fast Rust-based backend and beautiful web UI. Built for security professio… The category has historically been served by tools that miss the modern workflow this product is built around.
Key differentiator
Caido differentiates on a lightweight web security auditing toolkit. Backed by Felicis Ventures, $3.5M raised — the company has resources + validation to compound this thesis. Founded by Louis Nyffenegger + team.
Go-to-market strategy
Early-stage GTM — typically product-led growth (free tier or low-friction onboarding) paired with founder-led sales for the first 100 customers. Heavy content marketing + community presence on Twitter/X, LinkedIn, and category-specific Slack groups.
Caido website preview
Company facts
- Category
- Open Source
- Funding stage
- Seed
- Total raised
- $3.5M
- Founded
- 2022
- Team size
- 10-50
- HQ
- Montreal
- Country
- Canada
- Website
- caido.io
Founders of Caido
- Louis Nyffenegger
- François Lajeunesse-Robert
Investors backing Caido
- Felicis Ventures
Frequently asked questions
What does Caido do?
Caido is a modern, open-source web security auditing toolkit — a Burp Suite alternative. Proxy, replayer, automate, and share findings through a fast Rust-based backend and beautiful web UI. Built for security professionals who love good tooling.
Where is Caido based?
Caido is based in Montreal, Canada.
When was Caido founded?
Caido was founded in 2022.
How much has Caido raised?
Caido has raised $3.5M in their Seed round.
Who founded Caido?
Caido was founded by Louis Nyffenegger, François Lajeunesse-Robert.
Who has invested in Caido?
Caido is backed by Felicis Ventures.