OpenAI 2026 hackathon

Daymo

Minimal calendar app showing events in a week list

Solo project by Simon Bengtsson · 0 likes · 0 comments

View the project on Devpost

Archive position — measured, not model output

0 likes on Devpost

2,263 of the 7,850 archived projects have more likes, and 5,587 share exactly 0 — so this project's #3,651 place in the like-ranked listing is a tie-break inside that group, not a ranking.

Projects (log scale)

1
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1k
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05,587
11,758
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3–4132
5–975
10+14

Likes on Devpost. ▲ marks this project's group.

Show the figures
LikesProjectsShare of archive
05,58771.2%
11,75822.4%
22843.6%
3–41321.7%
5–9751.0%
10+140.2%
Devpost like counts for all 7,850 archived projects, captured when this archive was built.

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Executive Summary

What the company appears to be

Daymo is a minimal calendar application that displays events in a weekly list format. It was submitted as a project to the OpenAI 2026 hackathon by a single developer, Simon Bengtsson.

What changed

There is no evidence of prior versions or evolution beyond this single submission. The project appears to be a prototype or proof-of-concept built for a hackathon.

The single most important open question

Is there any indication that Daymo has moved beyond the hackathon stage, or whether it will be developed further as a product?

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What The Product Actually Is

The description states: “Daymo is a minimal calendar app showing events in a week list.”

  • Evidenced: Yes, from the self-reported tagline.
  • Inferred: No additional functionality or features are described.

No evidence of integrations, third-party APIs, UI/UX design details, or core product functionality beyond this basic description is provided.

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Positioning & Claim Evolution

The author states: “Minimal calendar app showing events in a week list.”

  • Evidenced: Yes.
  • Inferred: No claims about market positioning, differentiation, or intended audience are made beyond the basic function.

There is no evidence of any claim evolution, branding, or messaging strategy beyond this single line.

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Target Customer & ICP

The description does not state anything about target customers or ideal customer profile (ICP).

  • Evidenced: No.
  • Inferred: Not evidenced — the project was submitted to a hackathon and lacks any indication of user research or segmentation.

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Business Model & Pricing Evidence

There is no evidence in the description of any business model, pricing strategy, monetization approach, or revenue streams.

  • Evidenced: No.
  • Inferred: Not evidenced — this is a hackathon submission with no indication of commercial intent or structure.

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Technical & Delivery Signals

The author states: “Built with react-native.”

  • Evidenced: Yes.
  • Inferred: No further technical details, architecture, scalability, or delivery approach are provided.

No evidence of backend systems, data handling, or deployment strategy is included.

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Traction & Maturity Signals

There is no evidence of traction, adoption, user feedback, or product maturity beyond the hackathon submission.

  • Evidenced: No.
  • Inferred: Not evidenced — the project was submitted to a hackathon and lacks any indication of development beyond that stage.

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Competitive Context

The description does not mention any competitors or market context.

  • Evidenced: No.
  • Inferred: Not evidenced — no information is provided about existing calendar applications or competitive positioning.

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Open Questions & Risks

  • The project was submitted to a hackathon, suggesting it may be an early-stage prototype.
  • No evidence of team growth, funding, or product development beyond the initial submission.
  • No indication of commercial viability or user demand.
  • The single developer team size implies limited capacity for rapid iteration or scaling.

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Questions the description leaves open

  1. What is the intended evolution of Daymo beyond this hackathon prototype?
  2. Are there any plans to develop a product roadmap, customer feedback loop, or monetization strategy?
  3. Has there been any user testing or market validation beyond the hackathon?
  4. Is there an intention to build out the product further, and if so, what resources are being allocated?

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Overall Assessment

Not evidenced.

The description provides no basis for assessing investment or partnership potential. It is unclear whether Daymo will evolve into a viable product or remain a hackathon submission. The lack of traction, business model, or team expansion makes it impossible to assess commercial viability at this stage.

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Source

Submitted to the OpenAI 2026 hackathon on Devpost. Project home on Devpost. Back to the full gallery on Devpost.

This competitive analysis was produced by top-founders.com (opens in a new tab)

Generated by a language model from this project's public Devpost page — its tagline and any built-with tags listed there, since the author published no write-up — as captured in August 2026. Short quotations are the author's words. It is an opinion on the idea as a business, not on the people behind it, and it reflects the description as published then. If the project has moved on, request a correction below. The analysis is not independent research and contains no verified traction, revenue or customer data.

An independent guide by KFG International LLC — not affiliated with, endorsed by, or connected to Devpost or OpenAI.

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