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Alternatives

Products that do what Captan – Open-Source Cap Table Management CLI does

I built Captan (https://github.com/acossta/captan), a tiny open-source CLI tool for managing startup cap tables. Instead of juggling spreadsheets or paying for expensive SaaS cap table solutions, Captan stores everything in a simple JSON file that you can version-control in Git. It supports: - Stakeholders (founders, employees, investors) - Security classes (Common, Preferred, Option Pool) - Share issuances - Option grants with vesting schedules (monthly, cliff) - SAFEs (record + simulate conversion at a priced round) - Cap table math (Outstanding vs Fully Diluted) -…

  1. 1
    Mantle481

    AI-native cap table management for modern founders

    2025

  2. 2
    Cap431

    A lightweight, modern open-source captcha

    2025

  3. 3WB

    Hey HN, Nir, Gal and Tomer here. Last week, we open-sourced Enrolla (https://github.com/enrolla/enrolla) - feature management for SaaS companies. It makes it easy for developers to control how their product behaves for customers in different pricing tiers. So things like which features are enabled for whom, rate limits and seat limits, but also your customer secrets (with end-to-end encryption), and other configurations. After 15 years of working together at various companies, where we rebuilt the same SaaS foundation layer again and again - we wanted to create something…

    2023 · enrolla.io

  4. 4

    Divide up equity fairly with your co-founders

    2022

  5. 5

    Parallel agents & headless CI/CD in your terminal

    Feb 2026

  6. 6

    Free cap table management platform for early-stage founders

    2025

  7. 7
    Pulley115

    Cap table platform for hyper-growth startups

    2021

  8. 8OC

    Hey HN, I’ve built Open Codex, a fully local, open-source alternative to OpenAI’s Codex CLI. My initial plan was to fork their project and extend it. I even started doing that. But it turned out their code has several leaky abstractions, which made it hard to override core behavior cleanly. Shortly after, OpenAI introduced breaking changes. Maintaining my customizations on top became increasingly difficult. So I rewrote the whole thing from scratch using Python. My version is designed to support local LLMs. Right now, it only works with phi-4-mini (GGUF) via…

    2025 · github.com

  9. 9

    Cap table and equity management for Indian startups

    2020

  10. 10

    Generate more accurate investment dashboards and reports

    Jun 2026 · r0y.xyz

  11. 11
    Cline SDK120

    Build coding agents with a plugin-based open-source runtime

    May 2026 · cline.bot

  12. 12

    Web tool for tracking and forecasting capitalization tables

    Jul 2026 · hemrock.com

  13. 13

    Calculate founder dilution across funding rounds

    Dec 2025

  14. 14LT

    Current AI-assisted CLI tools are often part of larger systems and work better on Linux. I built llm-term to address these. It's a Rust-based tool that compiles into a single binary file. You only need to download the binary, add it to your PATH, and configure your OpenAI key to get started. While llm-term offers an option for gpt-4o, it works great with gpt-4o-mini. So it's not costly. I appreciate any feedback or suggestions.

    2024 · github.com

  15. 15IV

    For the last several years I've been creating a ERP platform, Stockor. While I'm going to continue offering it as a SaaS, I've decided to also open-source it. I'm hopeful that by doing so it will: 1) Grow it into a Wordpress size juggernaut with a plugin for any business process under the sun. 2) Bring me interesting consulting gigs. The open-source site is at stockor.org. There's a demo up at stockor.com/demo as well. Looking forward to hearing HN's thoughts!

    2014

  16. 16V0

    I launched Open SaaS about a year and a half ago and surprisingly it’s become one of the most popular free SaaS boilerplate starters on github (https://github.com/wasp/open-saas). After 2 years of work total, I’m pleased to launch what I’m calling “Open SaaS v2.0”. Here’s a breakdown of all the features and updates I’ve made to it over time: * New Big, Shiny Things for v2.0 * - Complete redesign with Shadcn UI for a modern and consistent look (themeability coming soon...). - Script that autogenerates an LLM-friendly version of the documentation…

    2025 · opensaas.sh

  17. 17CB

    Clink lets you use the coding agents you already pay for (Claude Code, Codex CLI, Gemini CLI, Z.ai GLM) to build → live-preview → ship apps in an isolated container. No token purchases, no extra cost for coding. Just link your existing Claude/OpenAI/Gemini account and start building and deploying instantly. Why we built this: Claude Code is our go-to for coding, but it lacked preview + deploy capabilities. We didn't want to pay Lovable again just for that. Different agents excel at different tasks - Claude Code for versatility, Codex for complex work, GLM for speed. We needed one…

    Oct 2025 · clink.new

  18. 18

    See how much everyone actually earns when your startup exits

    Apr 2026 · capbase.com

  19. 19YF

    2022 · github.com

  20. 20
    Hicap14

    One API for every model. Faster, cheaper inference.

    Feb 2026

  21. 21AP

    Hey HN! We've run our privacy-focused open-source inference company for a while now, and we're launching a flat monthly subscription similar to Anthropic's. It should work with Cline, Roo, KiloCode, Aider, etc — any OpenAI-compatible API client should do. The rate limits at every tier are higher than the Claude rate limits, so even if you prefer using Claude it can be a helpful backup for when you're rate limited, for a pretty low price. Let me know if you have any feedback!

    2025 · synthetic.new

  22. 22AA

    I'm a solo dev in Taiwan. I built 4 AI agents that handle content, sales leads, security scanning, and ops for my tech agency — all on Gemini 2.5 Flash free tier (1,500 req&#x2F;day). I use ~105. Monthly LLM cost: $0. Architecture: 4 agents on OpenClaw (open source), running on WSL2 at home with 25 systemd timers. What they do every day: - Generate 8 social posts across platforms (quality-gated: generate → self-review → rewrite if score < 7&#x2F;10) - Engage with community posts and auto-reply to comments (context-aware, max 2 rounds) - Research via RSS + HN API + Jina Reader → feed…

    Mar 2026

  23. 23WR

    Tl;DR Save 60% of development effort building your SaaS and enterprise apps using our open-source platform, demo: https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=gob4j072Isg Hi friends, It's a bit surreal writing a Show HN post, being a HN member since 2012, but I'm still excited to be here. We are Arek and Michal (hn: mgl), and we have published Openkoda - an open-source low-code platform for the rapid development of SaaS and enterprise applications. OUR STORY We met at the university and spent the next 10 years building high-performance applications for finance, eCommerce and travel…

    2024 · github.com

  24. 24BS

    Built a free open source agentic CLI tool for financial modeling & analysis. Hadn't played around with real equity valuation modeling for awhile and wanted to build tooling to get myself back into the game. Bull.sh lets you query & store 10-Qs, 10-K in a local vector store to chat with them, build investment thesis from scratch or build full framework models through the CLI to export into excel. It's open source, just requires your own Anthropic API key and (optionally) AlphaVantage Free API key if you want save some tokens from scraping. Feel free to play around with it. Some ideas I have…

    Jan 2026 · github.com

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