Commerce · alternatives · 2026
24 alternatives to Retainia
Operating System for Next-Gen Agencies
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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Retainr.io▲155Retainr helps niche freelancers package services, onboard clients, deliver in one branded portal, and turn successful work into recurring revenue.
2025 · retainr.io · its alternatives →
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AgencyOS▲192The all-in-one operating system to run your digital agency
2023 · github.com · its alternatives →
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Retainly▲88Convert leads & retain customers with marketing automation
2017 · retainly.co · its alternatives →
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Hey there! I am Luca, I write https://refactoring.fm/ and I built Tolaria for myself to manage my own knowledge base (10K notes, 300+ articles written in over 6 years of newslettering) and work well with AI. Tolaria is offline-first, file-based, has first-class support for git, and has strong opinions about how you should organize notes (types, relationships, etc). Let me know your thoughts!
Apr 2026 · github.com · its alternatives →
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Spend less to recover more, leveraging machine learning
2025 · getretain.com · its alternatives →
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Agency OS▲91The Notion workspace we used to grow a six-figure agency
2021 · thisisstudioself.com · its alternatives →
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Taskia▲153Free project management tool focused on aligning goals
2024 · taskia.app · its alternatives →
- 11WB
Kalmia started as a small hobby project about two months ago, but it quickly evolved when we needed a better solution to manage our office's documentation. It has now become our go-to tool for both internal and user-facing docs. Recently, we decided to open source it, as we believe others might benefit from a lightweight, customizable documentation system like this. We're excited to see how the community can take it further, contribute, and adapt it to their own needs!
2024 · kalmia.difuse.io · its alternatives →
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Hey HN! I built Retain as the evolution of claude-reflect (github.com/BayramAnnakov/claude-reflect). The original problem: I use Claude Code/Codex daily for coding, plus claude.ai and ChatGPT occasionally. Every conversation contains decisions, corrections, and patterns I forget existed weeks later. I kept re-explaining the same preferences. claude-reflect was a CLI tool that extracted learnings from Claude Code sessions. Retain takes this further with a native macOS app that: - Aggregates conversations from Claude Code, claude.ai, ChatGPT, and Codex CLI - Instant full-text…
Jan 2026 · github.com · its alternatives →
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The first AI-powered cancel flow for subscriptions.
2020 · retentionengine.com · its alternatives →
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Manage Clients. Grow Revenue. Repeat.
2025 · heycalvins.gumroad.com · its alternatives →
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MaintainX▲11Mobile-First Workflow Management Platform for Deskless Teams
2019 · getmaintainx.com · its alternatives →
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Retainful▲75Recover abandoned carts & drive 10x sales with referrals
2021 · retainful.com · its alternatives →
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RetainQ▲1Achieve Zero Churn with AI-Powered Customer Retention
Sep 2026 · retainq.com · its alternatives →
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Find any OSS project calling for collaborators
2020 · rfm.sospedra.me · its alternatives →
- 23TalentOS▲58
AI adoption operating system for companies
May 2026 · talentosapp.com · its alternatives →
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Instantly calculate your ideal monthly retainer.
2025 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →