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Spark — Startup Profile
Startup

Spark

Capture and expand your ideas with AI

Productivity & CollaborationEstimated

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About the startup

Spark serves as your personal idea companion, allowing you to capture, organise, and expand your thoughts with the help of artificial intelligence. You can use it to ensure your most important insights are never lost and to develop your concepts further using intelligent features. This tool helps you transform raw inspiration into structured plans or deeper knowledge, making it easier to manage your personal or professional creative process.

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Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

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Media about Productivity & Collaboration

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Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show

Thoughts from the Ivory Basement

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Founder stories from Productivity & Collaboration startups

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Retold founder accounts from startups in the same category, each linked to the original.

Story

Buffer's first paying customer arrived four days after a seven-week build

Joel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days.

Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5M

In a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with

Tally's March 2024 letter is $100k MRR, not a $3M ARR stamp

Marie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label

Ajay Goel priced GMass after a free year, not after an ARR headline

Ajay Goel’s own GMass posts give send volume, user counts, and plan prices. In a later interview he described a $10,000 first build, a free first year, and $10,000 to $20,000 a month after the paywall. He did not state $

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Subcategories in the same part of the directory, with the number of listed products.

Category

Project & task management

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