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Capture, score and reward employee ideas with Harmoni's AI-driven innovation platform. Transform workplace innovation with intelligent idea management.

Website, pricing, platforms and company facts side by side.
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| Website | open-gpt.app | harmoniapp.com |
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| Company | — | Startup from the United Kingdom · 1 - 9 employees · 2026 |
| Listed in | — |
In their own words, as submitted to SaaSHub.


No description of https://open-gpt.app/ yet.
Harmoni is an employee idea management platform that gives organisations a structured way to capture, review, and act on ideas from across their workforce. Most companies rely on informal channels like group chats, meetings, or open-door policies to surface employee ideas. In practice, good ideas...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
As answered by people managing https://open-gpt.app/ and Harmoni Innovations.
Harmoni Innovations's answer:
Most idea management tools focus on collecting ideas and stop there. Harmoni goes further by giving managers clear accountability to act on every submission, and giving leadership a way to direct the whole company with specific challenges and problem statements.
It also combines an employee-facing ideas portal with a company portal for rewards, recognition, and announcements, making it a single hub for employee engagement rather than a standalone suggestion box.
Harmoni Innovations's answer:
Harmoni Innovations's answer:
Harmoni is built for growing businesses that want to get more from their workforce. The primary buyers are HR leaders, People & Culture teams, and senior leadership at companies with 100-500 employees who feel that good ideas are getting lost in group chats and meetings, and want a proper system to capture and act on them.
Harmoni Innovations's answer:
While working at a previous company, our founder Arron wanted to run an innovation challenge across the business. With no dedicated platform, he built one manually, a template document sent out to the whole company asking people to submit their ideas.
It worked. The quality of ideas that came back was genuinely impressive, and many of them were built on and taken forward. But the process was slow, repetitive, and hard to scale. It was clear that the concept was sound but the infrastructure wasn't.
That experience led to Harmoni. A platform built to do properly what that spreadsheet was doing roughly, giving every employee a structured route to raise ideas, and giving leadership a simple way to put specific challenges to the whole company.
Harmoni also draws on Harvard's timebox methodology, using a guided brain dump approach to help employees articulate their thinking clearly before submission. And rather than asking companies to change how they work, Harmoni is designed to slot into the hierarchy and processes most organisations already have in place.
Harmoni Innovations's answer:
Harmoni is built on React and Django, with MongoDB for data storage. It is hosted on Vercel & Heroku and uses the OpenAI API to power its AI idea analysis features.
Share your experience with using https://open-gpt.app/ and Harmoni Innovations. For example, how are they different and which one is better?