Opensource.Builders 2.0

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product
O Open Source Alternatives 200+ open source alternatives to popular B2B tools
FleurNotes A modern notetaking app on Windows. 🌷
Brink Browser "Zen and Arc, but on iPad". Built for research & privacy.
Temporal What is Temporal? What is Temporal?
TabCmdr Command Palette for Tabs, Bookmarks, History, Closed Tabs
Coverity Scan Find and fix defects in your Java, C/C++ or C# open source project for free
ooon.ai AI employee that answers, books, and reminds clients
Gotcha On-device AI copilot for Android

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
IlovePDFApp Free PDF tools online - merge, split, compress, convert & repair PDFs instantly. No signup required. Fast, secure PDF editing tools.
TabTree A mind mapping and whiteboard app in a single file
iPrice Search, Compare, Save
MiniTool Partition Wizard As a partition magic alternative, Minitool Partition Wizard is the latest partition manager software which be used to manage partition on Windows 10/8/7/XP and Server 2003/2008/2012.
PDFOnlineLovePDF Free online PDF tools — merge, split, compress, convert
Teetrack Privacy-first time tracking for freelancers. EU-hosted, with an MCP server for AI assistants.

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

Product
TimeToolsLab Calculate time ago, count down to a clock time, add or subtract calendar dates, and find time from now — free, with no signup.
The No-Fluff AI Tools List The No-Fluff AI Tools List
Subvanta See the full cost of recurring spend
CopyPaster Share files and text across devices on the same network

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

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
L Lawrence Gentilello Founder/Board Director at Screenleap

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

Show
Top SaaS & AI Tools YouTube · 130K subscribers
Ai & SaaS Lab YouTube · 10K subscribers
Rajan_Facts_YT YouTube · 401K subscribers

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 $

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