Underfiction's tech stack
What does Underfiction use?
Underfiction (underfiction.com) uses at least 13 tools we can see from public records, including Render for hosting, iCloud Mail for email and documents, Discord for customer support and PostHog for analytics. Last checked .
- Tools found
- 13
- Categories
- 11
- Layers
- 5 of 5
- Changes seen
- 2
Underfiction'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
3 tools, where the bytes are served from
Application
3 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Monitoring
Analytics
Go-to-market
3 tools, how they find and keep customers
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
What changed at Underfiction
Recent starts and stops
- StartediCloud Mail
- StartedPorkbun
Companies like Underfiction also use
Tools common among companies with a similar stack that we haven't found at Underfiction.
Companies with a stack like Underfiction's
Ranked by shared tools, with rare tools counting more.
Openshipopenship.org6in common
Keepleakeeplea.app4in common
Steve Harrisonsteveharrison.dev3in common
Shank Spaceknhash.in3in common
Servicios.inMarketing and Advertising · 11–50 people1in common
Arlo IndustriesDefense · 1–10 people5in common
Ducera Partners LLCInvestment Banking · 51–200 people3in common
SurfReligious Institutions · 1–10 people8in common
Underfiction tech stack FAQ
What tools does Underfiction use?
As of October 2026, runsonwhat has found 13 tools at Underfiction (underfiction.com) in public records. Edge & Hosting: Cloudflare, Render and Porkbun. Application: React, Tailwind CSS and Next.js. Data & Observability: Sentry and PostHog. Go-to-market: Meta Pixel and Discord. Company Ops: Resend and iCloud Mail. Last checked October 20, 2026.
What cloud does Underfiction run on?
Underfiction uses Render for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Render through Render code on underfiction.com. Render is used by 2,482 companies runsonwhat tracks.
What email provider does Underfiction use?
Underfiction uses iCloud Mail for email and office software, according to runsonwhat (October 2026). runsonwhat found iCloud Mail through a DNS verification record for iCloud Mail and email records. iCloud Mail is used by 938 companies runsonwhat tracks.
What does Underfiction use for customer support?
Underfiction uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on underfiction.com. Discord is used by 6,049 companies runsonwhat tracks.
What analytics tools does Underfiction use?
Underfiction uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on underfiction.com. PostHog is used by 10,194 companies runsonwhat tracks.
What monitoring tools does Underfiction use?
Underfiction uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on underfiction.com. Sentry is used by 79,126 companies runsonwhat tracks.
Does Underfiction use Cloudflare?
Yes. runsonwhat found Cloudflare at Underfiction through DNS records that point at Cloudflare and code on underfiction.com. Cloudflare is a CDN & Edge tool used by 708,870 companies runsonwhat tracks.
Has Underfiction changed tools recently?
Yes. On runsonwhat's rechecks, Underfiction started using iCloud Mail and Porkbun (latest on October 9, 2026). A change counts only between two checks of underfiction.com done the same way.
Which companies have a tech stack similar to Underfiction's?
The companies with the stacks most like Underfiction's are Openship, Keeplea, Steve Harrison and Shank Space, according to runsonwhat (October 2026). Each shares 3 to 6 tools with Underfiction, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Underfiction uses?
runsonwhat reads public records only. Of the 13 tools at Underfiction, 8 were found through code on underfiction.com, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and underfiction.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.