- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2025
- Funding
- -
- Team size
- 32
- Location
- United States
Top Opennote Alternatives, Competitors & Similar Software
Founded 2025
Find 20 competitors in the AI Writing Assistants. Compare other SaaS such as Mastra, Spike and Spike. These Opennote competitors have raised $16.2M and together serve more than 70 customers and employ over 693 team members.

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, and helps you get through your inbox faster. Spike unifies email, chat, video, docs, and tasks in one intelligent workspace—no more tab overload, no more context switching. From solo professionals to customer-facing teams, Spike replaces outdated inboxes and fragmented tools with one clean feed powered by the smartest AI in your inbox.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2014
- Funding
- -
- Team size
- 32
- Location
- 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, and helps you get through your inbox faster. Spike unifies email, chat, video, docs, and tasks in one intelligent workspace—no more tab overload, no more context switching. From solo professionals to customer-facing teams, Spike replaces outdated inboxes and fragmented tools with one clean feed powered by the smartest AI in your inbox.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2014
- Funding
- -
- Team size
- 32
- Location
- Israel

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 assistants in the DACH region. As a spin-off of the University of Innsbruck Onlim´s technology is based...
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2015
- Funding
- -
- Team size
- 32
- Location
- Austria

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 transforms interest into sales and provides seamless support that enhances customer satisfaction. With proactive assistance, actionable insights, and an intuitive setup, Rep AI makes it simple for brands to boost conversions and streamline support, all while staying true to their unique brand voice.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2020
- Funding
- -
- Team size
- 32
- Location
- 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 value, and over come objections to get prospective customers on the schedule.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2021
- Funding
- -
- Team size
- 32
- Location
- 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.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2020
- Funding
- -
- Team size
- 32
- Location
- United States

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, and helps you get through your inbox faster. Spike unifies email, chat, video, docs, and tasks in one intelligent workspace—no more tab overload, no more context switching. From solo professionals to customer-facing teams, Spike replaces outdated inboxes and fragmented tools with one clean feed powered by the smartest AI in your inbox.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2014
- Funding
- -
- Team size
- 32
- Location
- Israel

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
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2023
- Funding
- -
- Team size
- 32
- Location
- 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 tailored to your needs—no complex setup required. Automate workflows, analyze data, and enhance decision-making.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2021
- Funding
- -
- Team size
- 32
- Location
- United States

AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2016
- Funding
- -
- Team size
- 32
- Location
- 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 tailored to your needs—no complex setup required. Automate workflows, analyze data, and enhance decision-making.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2021
- Funding
- -
- Team size
- 32
- Location
- United States

AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2016
- Funding
- -
- Team size
- 32
- Location
- United States

AI Writing Assistants
The next generation multimodal content creation platform, powered by Character-3 ✨ careers @ https://jobs.ashbyhq.com/hedra
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2023
- Funding
- -
- Team size
- 32
- Location
- 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 feels impossible. Forget expensive SDRs – Thriwin.io gives you access to AI-powered sales agents that do the heavy lifting for you, 24/7. Here's how Thriwin helps you win with power of AI-Agents: • Digital AI-Agents: Our AI-powered Sales Agents are ready to hit the ground running in few minutes, handling your outreach 24/7 while you focus on what truly matters: building your dream. • Effortless Lead Generation: AI agents craft personalized emails, make cold calls, and build targeted landing pages to generate 10X more leads, while adapting and learning from every interaction to improve performance • Pay-as-you-Go Pricing: No hefty subscriptions here. You only pay for the features you use, freeing up 90% of your software costs for growth. •All-in-one Sales Platform: Say goodbye to juggling multiple tools. Manage your entire sales funnel, from lead generation to closing deals, in one place. Thriwin is Different: • Level Playing Field: Get access to the same powerful features as enterprise companies, without the enterprise price tag. • Single true pay-per-use model: Get all the platform features with price as low as $1 a day only on the days you use. Pay for calls and meetings as per usage without any fixed fee • One Platform, One Goal: Streamline your sales and marketing efforts, maximizing efficiency and driving revenue. The best part? No long-term contracts or hefty upfront investments. We grow when you grow. Our mission is simple: While you're busy changing the world with your innovations, we ensure your sales engine runs at full throttle. Thriwin is built for entrepreneurs by entrepreneurs. We believe entrepreneurs like you are the real changemakers, and your energy and time is best spent on innovation, not software evaluations.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2016
- Funding
- -
- Team size
- 32
- Location
- United States
- Revenue
- $3.5M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- 32
- Location
- Italy
- Revenue
- $3.5M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- 32
- Location
- Italy

AI Writing Assistants
Provider of brand-reputation management and advertising services designed to transform the way brands deal with social engagement. The company's services offer to protect brand reputation on social media, by removing harmful content according to brand preference through machine learning and natural language processing technology combined with trained human analysts, enabling clients to grow in terms of revenue.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2013
- Funding
- -
- Team size
- 61
- Location
- Finland

AI Writing Assistants
Developer of a voice interface platform designed for industrial environment. The company's platform allows the most natural form of communication to converse within the factory, allowing clients to connect and interact with their existing in-house systems through simple integrations.
- Revenue
- $3.5M
- Customers
- -
- Year founded
- 2016
- Funding
- -
- Team size
- 34
- Location
- United States
- Revenue
- $3.5M
- Customers
- 70
- Year founded
- 2018
- Funding
- $16.2M
- Team size
- 54
- Location
- France


