OpenSEO alternative
OpenSEO is a good choice if you want to host your SEO tool yourself. Crawl Foundry is built for agencies and teams that keep several websites apart, pay only for fresh data, and turn findings into a prioritized work list.
In short
The facts
As of September 25, 2026, read from both vendors' official pages. Prices exclude tax.
| Comparison point | Crawl Foundry | OpenSEO |
|---|---|---|
| Getting started | €0 on the free plan, with 3 workspaces and €1.00 of balance per month | $10 per month on the base plan, including $10 of usage |
| Subscription required? | No. One-time top-ups from €9.99 to €99.99; monthly plans are optional | Yes, the hosted version requires an active subscription |
| Data costs | Per action from your balance, with a cost preview before each run | 28 % surcharge on data requests in the hosted version |
| Clients and websites | 3 to 50 separate workspaces depending on plan | The pricing page does not mention team or client workspaces |
| Operation | Hosted service, nothing to install | Open source (MIT), self-hostable with your own data access, or as a hosted app |
| Google Search Console | Read-only connection, validated against the audited domain | Search Console data does not use up balance |
| AI agents (MCP) | MCP server with one workspace per session, revocable grants and an agent budget | MCP server with ready-made agent skills |
What Crawl Foundry brings
Each capability has its own page that shows exactly what it does today.
Importing, organizing, tagging, clustering and exporting cost nothing. You pay only when you pull fresh metrics.
Take a lookThe Action Center turns keyword opportunities and audit findings into an order that shows why an action comes first.
Take a lookEach issue group shows the affected URLs, why it matters and how to verify the fix in the next crawl.
Take a lookSee which pages get too few internal links and where link relationships are missing.
Take a lookData, lists and audits stay separate per website, from 3 workspaces on the free plan to 50 on Business.
Take a lookConnect Claude, Codex, Cursor or VS Code over MCP. Your agent works in one workspace per session, within your budget and approvals.
Take a lookBring your keyword lists into the keyword database, and connect your AI agent through the Crawl Foundry agent system.
Switching
The free plan costs €0 and includes 3 workspaces and €1.00 of balance per month.
Import your keyword list as a CSV file into the Keyword Database. Importing and organizing are free.
Set up a workspace for each website and pull fresh data only where you need it.
No. Crawl Foundry is a hosted service. If you want to run the software yourself or change its source code, OpenSEO is the better fit.
No. You start for free and top up your balance once when you need it, from €9.99. Monthly plans are optional and add more balance and more workspaces.
Yes. The Keyword Database imports CSV files. Importing, organizing and exporting stay free; only fresh data pulls are paid.
Agencies and teams that keep several websites apart, want to see costs before each data pull, and need a prioritized work list from their findings.
3 workspaces and €1.00 of balance per month, no subscription and no credit card.
Start freeOpenSEO is a trademark of its respective owners. Crawl Foundry is not affiliated with OpenSEO. All information about OpenSEO comes from publicly available pages, as of September 25, 2026.