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Zendlock — Startup Profile
Startup

Zendlock

Sell any file with a secure pay-per-download link. No account needed.

Productivity & CollaborationEstimated

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About the startup

Sell any file with a secure pay-per-download link. No account needed.

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Profile

Technomanagers

IIM Bangalore & IIT Kanpur alumni are helping you land your dream career in Management or Technology.

David Allen

American productivity consultant and author

Shari Oswald

Microsoft MVP | MCT Alumni | Productivity and O365 Adoption Expert | Technology Evangelist | SharePoint Consultant | eLearning Author | International Speaker Microsoft MVP | MCT Alumni | Productivity…

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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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Whiteboards & mind maps

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