Categories Cohorts About

SaaS Outpost watches software products after launch. Launch dates come from public launch announcements. Sources and method

Submit a product AboutPrivacy Terms[email protected]

Infinite Playground: is it still online? | SaaS Outpost

April 2026 cohort / Writing and content

Infinite Playground

Online

playground.tetraresearch.io

Publishes an article explaining a Claude Code plugin for drafting effective emails to institutions.

Tetra-Research/dangerous-professional-plugin
@patio11
RSS

Status: Onlinesince Nov 5, 2026
First launched: Apr 28, 2026
Category: Writing and content
Type: Content site

Alternatives to Infinite Playground

All writing and content →

Similar products, all online at their last check.

Agentic Coding Weeklyagenticcodingweekly.com
Online
Publishes articles and guides about coding agents and developer tools for programmers.
Writing and contentJun 18, 2026
CodeAIHQcodeaihq.com
Online
Publishes articles about visual effects, filmmaking, and technical production workflows.

Pricing

Not tracked yet

Domain

tetraresearch.io

Last 30 days

100% of checks answered · median response 457 ms

Oct 9, 2026: Not checked
Oct 10, 2026: Not checked
Oct 11, 2026: Not checked
Oct 12, 2026: Not checked
Oct 13, 2026: Not checked
Oct 14, 2026: Not checked
Oct 15, 2026: Not checked
Oct 16, 2026: Not checked
Oct 17, 2026: Not checked
Oct 18, 2026: Not checked
Oct 19, 2026: Not checked
Oct 20, 2026: Not checked
Oct 21, 2026: Not checked
Oct 22, 2026: Not checked
Oct 23, 2026: Not checked
Oct 24, 2026: Not checked
Oct 25, 2026: Not checked
Oct 26, 2026: Not checked
Oct 27, 2026: Not checked
Oct 28, 2026: Not checked
Oct 29, 2026: Not checked
Oct 30, 2026: Not checked
Oct 31, 2026: Not checked
Nov 1, 2026: Not checked
Nov 2, 2026: Not checked
Nov 3, 2026: Not checked
Nov 4, 2026: Not checked
Nov 5, 2026: Online (1 of 1 checks answered)
Nov 6, 2026: Online (1 of 1 checks answered)
Nov 7, 2026: Online (1 of 1 checks answered)

Oct 9, 2026

Online
Some checks failed
Down
Not checked

Today

Daily checks started Nov 5, 2026.

Domain and certificate

HTTPS certificate: valid to Jan 14, 2027 · 2 months left

The .io registry doesn't publish registration data over RDAP, so only the certificate is shown.

History

Launched
Apr 28, 2026 · Launch announcement
Online
Nov 5, 2026 · online
Last checked Nov 7, 2026

Is this yours?

Claim Infinite Playground to add your real icon, fix the description, or tell us when something changed.

Claim this listing

The April 2026 cohort

88%still running

of 1,197 checked products first launched that month (1,203 in all, the rest not checked yet).

Online: 1,024
Moved: 26
Having trouble: 135
Gone: 12

Writing and content, same month: 91% of 34
Every product we track: 89% of 18,671

See the whole cohort →

Pricing history

We will record this product's plans and prices over time. Coming soon.

Writing and content

Oct 24, 2026

DocCharmdoccharm.com

Online

Keeps help center articles current by drafting updates from product changes for teams to review and publish.

Writing and contentJul 21, 2026

Do

docs.devdocs.dev

Online

A self-hosted documentation template lets teams draft, review, and publish repository docs with coding agents and Cloudflare.

Writing and contentJul 13, 2026

CurateKitcuratekit.com

Online

Helps people collect and organize links, quotes, and articles, then publish them as websites or email newsletters.

Writing and contentJun 1, 2026

X Articlesxarticles.io

Online

A directory for discovering long-form articles published on X, organized by topic and recency.

Writing and contentJan 17, 2026