OpenWork's tech stack
What does OpenWork use?
OpenWork (openworklabs.com) uses at least 17 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Plain for customer support and PostHog for analytics. Last checked .
“The open source alternative to Claude Cowork”
- Industry
- Productivity
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Tools found
- 17
- Categories
- 11
- Layers
- 5 of 5
- Changes seen
- 1
OpenWork's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
7 tools, what the product is built with
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Dev Tools
Security & Compliance
What changed at OpenWork
Recent starts and stops
- StartedMCP Registry
Companies like OpenWork also use
Tools common among companies with a similar stack that we haven't found at OpenWork.
Companies with a stack like OpenWork's
Ranked by shared tools, with rare tools counting more.
DailybotProductivity · 11–50 people8in common
OnePatchEngineering, Product and Design · 1–10 people8in common
Context Dev Inc.Infrastructure · 1–10 people10in common
Vercel Inc.vercel.com9in common
Bird B.V.Telecommunications · 201–1,000 people9in common
GoodcoverInsurance · 1–10 people5in common
ConvoyEngineering, Product and Design · 1–10 people8in common
OpenRouterSoftware · 1–10 people10in common
More Productivity companies
Other Productivity companies we've checked.
OpenWork tech stack FAQ
What tools does OpenWork use?
As of October 2026, runsonwhat has found 17 tools at OpenWork (openworklabs.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: PostHog. Go-to-market: Plain. Company Ops: Microsoft 365, Google Workspace and Resend. Last checked October 9, 2026.
What cloud does OpenWork run on?
OpenWork uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 45,209 companies runsonwhat tracks.
What email provider does OpenWork use?
OpenWork uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 693,191 companies runsonwhat tracks.
What does OpenWork use for customer support?
OpenWork uses Plain for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Plain through a DNS verification record for Plain. Plain is used by 72 companies runsonwhat tracks.
What analytics tools does OpenWork use?
OpenWork uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on openworklabs.com and its subprocessor list. PostHog is used by 8,761 companies runsonwhat tracks.
Does OpenWork use Cloudflare?
Yes. runsonwhat found Cloudflare at OpenWork through DNS records that point at Cloudflare and code on openworklabs.com. Cloudflare is a CDN & Edge tool used by 672,192 companies runsonwhat tracks.
Does OpenWork use AI tools?
Yes. runsonwhat has found Anthropic, OpenAI and MCP Registry at OpenWork; Anthropic, for example, through Anthropic on openworklabs.com's subprocessor list. AI services called only from servers leave no public trace, so OpenWork may use more AI tools than these.
Has OpenWork changed tools recently?
Yes. On runsonwhat's rechecks, OpenWork started using MCP Registry (latest on October 9, 2026). A change counts only between two checks of openworklabs.com done the same way.
Which companies have a tech stack similar to OpenWork's?
The companies with the stacks most like OpenWork's are Dailybot, OnePatch, Context Dev and Vercel, according to runsonwhat (October 2026). Each shares 8 to 10 tools with OpenWork, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what OpenWork uses?
runsonwhat reads public records only. Of the 17 tools at OpenWork, 6 were found through DNS records, 4 through code on openworklabs.com, 3 through its own subprocessor list, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openworklabs.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.