
Jira
Asana
Trello
ClickUp
monday.com
Notion
Basecamp
Streamlined issue tracking for software teams

AgentGatePay
x402
Real-world tasks your agent can't do alone.

Which is more popular?
Based on our record, Linear seems to be a lot more popular than Underscore Done. While we know about 164 links to Linear, we've tracked only 1 mention of Underscore Done.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | linear.app | underscoredone.com |
| Pricing | ||
| Company | Startup from the United States | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Linear yet.
Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Underscore Done yet.
Walkthroughs and reviews on video.
Tealios V2 Review! Best Linear Mechanical Switch? Part 1
More videos
No Underscore Done videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Linear and Underscore Done.
Underscore Done's answer:
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Underscore Done's answer:
Ai Agents that work on behalf of people.
Share your experience with using Linear and Underscore Done. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Ans: Usually not! Coding work moves fast and differently than marketing or sales work. Many startups use Linear for code and something simpler, like Asana or ClickUp, for the rest of the team.
We have no reviews of Underscore Done yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


These presentations, like most LLM output, look good but aren’t very informative. The Jev one kept repeating the same point (Jev is by TypeSafe AI, Jev is faster and cheaper) - I bet I could condense it into like 4 slides. The linear one... - Source: Hacker News / 10 days ago
- Annoying takeover of browser scrolling Of course you would be impressed if you see something like this the first time. If every third company has websites like this, it gets annoying. I don't remember any of them They look cool on... - Source: Hacker News / 23 days ago
Speed matters. Not speed in sprint or linear dashboards. Not speed in story points. - Source: dev.to / 4 months ago
_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 11 days ago
When comparing Linear and Underscore Done, you can also consider the following products.

The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Compare Jira to Linear or Underscore Done:

Enable AI agents to make autonomous payments with AP2 mandates and X402 protocol. Multi-chain crypto, budget controls, instant settlement.
Compare AgentGatePay to Linear or Underscore Done:

Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Compare Asana to Linear or Underscore Done:

An open protocol for internet-native payments from Coinbase
Compare x402 to Linear or Underscore Done:

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Compare Trello to Linear or Underscore Done:

ClickUp's #1 rated productivity software is making more productive projects with a beautifully designed and intuitive platform.
Compare ClickUp to Linear or Underscore Done: