Head-to-Head Comparison · Alternative to Fastgen · 📝 forms
Fastgen vs ToolJet
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface Here is how ToolJet ($0/mo open source) stacks up against Fastgen ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.
ToolJet is a verified Open Source-licensed open-source replacement for Fastgen. Switching from Fastgen ($15/mo) saves $180/yr per solo seat, or $900/yr for a 5-person team. Deployment: Runs on Self-host.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Fastgen.
ToolJet
$0.00/mo · Open Source
Fastgen vs ToolJet Specifications
facts verified 2026-11-07
| Dimension | Fastgen (Paid) | ToolJet (Replacement) |
|---|---|---|
| Monthly Price | $15 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $180 / yr | $0 / yr (Save $180) |
| 1-Year Cost (5 seats) | $900 / yr | $0 / yr (Save $900) |
| 1-Year Cost (10 seats) | $1,800 / yr | $0 / yr (Save $1,800) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 41.2k (active nov 2026) |
Deep Dive: Switching from Fastgen to ToolJet
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed Fastgen.
How to deploy ToolJet
Clone https://github.com/tooljet/tooljet or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork ToolJet instead of vibe-coding a Fastgen clone?
Instead of paying recurring SaaS fees for Fastgen or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like ToolJet.
Fastgen vs ToolJet FAQ
Is ToolJet a good free alternative to Fastgen?+
Yes. ToolJet is a verified open-source (Open Source) replacement for Fastgen. Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
What is the catch when switching from Fastgen to ToolJet?+
Requires self-hosting setup, updates, and server maintenance compared to managed Fastgen.
How much do you save switching from Fastgen to ToolJet?+
Fastgen costs $15/mo ($180/yr) per seat, whereas ToolJet is $0/mo. Switching saves $180/yr for a solo user, $900/yr for a 5-person team, and $1,800/yr for a 10-person team.
How do I install or self-host ToolJet instead of Fastgen?+
Install: Clone https://github.com/tooljet/tooljet or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.
