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The closest alternatives to Opennote are Quizlet, RemNote Inc. and Course Hero. Opennote generates $3.5M in revenue with 32 employees. Every one of the 20 alternatives below is compared with Opennote on revenue, funding, customers, team size and founding year.
Opennote is pinned as the first column so every figure is read against it. Blank cells are figures we have not verified, never zeros.
| Company |  OpennoteThis company |  Quizlet |  RemNote Inc. |  Course Hero |  Rep AI |  Spike |  Abilon AI |  Sameday | Abilon AI | Spike |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $3.5M | $139M | $2M | $105M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M |
| Funding raised | Not disclosed | $62M | Not disclosed | $405M | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed |
| Customers | Not disclosed | 1M | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed |
| Team size | 32 | 547 | 18 | 2.6K | 32 | 32 | 32 | 32 | 32 | 32 |
| Founded | 2025 | 2005 | Not disclosed | 2006 | 2020 | 2014 | Not disclosed | 2021 | Not disclosed | 2014 |
| HQ | San Francisco, United States | United States | United States | United States | United States | Israel | Italy | United States | Italy | Israel |
United States · AI Writing Assistants
Quizlet is a San Francisco-based consumer learning platform founded in 2005 and 2006 that has grown into one of the largest digital study tools in the United States. As of early 2018, the platform counted more than 30…
United States · AI Writing Assistants
RemNote is a study tool that integrates note-taking and flashcards for optimal retention. Quickly create flashcards within your notes and let our system schedule reviews. With mind map style notes and PDF annotations…
United States · AI Writing Assistants
Course Hero is an online learning platform for course-specific study resources. It provides students with access to numerous educational materials contributed by the community.
United States · AI Writing Assistants
Rep AI is the ultimate AI sales and support concierge, designed to help eCommerce brands connect with customers when it matters most. By engaging shoppers with smart, human-like interactions when it's needed, Rep AI…
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
United States · AI Writing Assistants
Sameday enables home service businesses to be available by phone 24/7 with our AI powered Virtual Sales Agents. Unlike anything you have heard before, Sameday’s AI sounds like a person and can answer questions, build…
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
United States · AI Writing Assistants
Instant access to workspaces anywhere at your fingertips. The world’s first mobile productivity app to find ready-to-use workspaces. Unlock your productivity and #GetThingsDone.
United States · AI Writing Assistants
The next generation multimodal content creation platform, powered by Character-3 ✨ careers @ https://jobs.ashbyhq.com/hedra
United States · AI Writing Assistants
Stop Wasting Time Finding Sales Talent, Focus on Building Your Startup with AI-Sales Agents We've been there, and we know the struggle. You're a startup founder, strapped for cash, and building a world-class sales team…
Austria · AI Writing Assistants
Onlim specialises in automated customer communication via chatbots and voice assistants. We offer a Conversational AI platform and have established ourselves as a major player for customized chatbots and voice…
ONLIM - Knowledge-driven Conversational AI revenue & fundingOpennote vs ONLIM - Knowledge-driven Conversational AI
United States · AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
United States · AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
United States · AI Writing Assistants
Free your team from repetitive tasks to focus on creating value. Kolena AI agents handle the busywork behind the scenes, so you can scale faster, cut costs, and deliver better results. Quickly create a powerful AI agent…
United States · AI Writing Assistants
The Javascript framework for building AI agents, from the Gatsby devs
United States · AI Writing Assistants
Making great studying 10x easier. Upload any class material and gets tons of flashcards, multiple choice questions, and case questions made for you
United States · AI Writing Assistants
Free your team from repetitive tasks to focus on creating value. Kolena AI agents handle the busywork behind the scenes, so you can scale faster, cut costs, and deliver better results. Quickly create a powerful AI agent…
Opennote ranks #303 of 3,660 AI Writing Assistants companies by annual revenue, putting it in the top 8% of the market.
The closest alternatives to Opennote are Quizlet, RemNote Inc. and Course Hero. This page compares each of them with Opennote on revenue, funding, customers and team size.
Quizlet is the closest alternative to Opennote, generating $139M in revenue. Which alternative fits best depends on budget and company size, so compare all 20 alternatives above before choosing.
Opennote generates $3.5M in revenue.
No. Quizlet generates $139M in revenue versus $3.5M at Opennote.
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