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To-do lists & tasks you can share for free ✔ Flask Lists — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Productivity →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
onlinelistmaker.com ↗	70 match 2 shared topics	Online List Maker - Free Shared Lists	en	software-and-applications	robotsllmsaihumans	emailphone	none
appigo.com ↗	67 match 2 shared topics	TaskFire by Appigo - The Original To-do List App & Task Manager	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
easy-list.app ↗	67 match 2 shared topics	Easy List: Simplify Your Life with Shared Lists	en	software-and-applications	robotsllmsaihumans	emailphone	none
a-lists.app ↗	67 match 2 shared topics	A-Lists - Makes collaborative lists effortless	en	productivity	robotsllmsaihumans	emailphone	none
keeplist.app ↗	67 match 2 shared topics	Keeplist \| To-do List and Reminders	en	software-and-applications	robotsllmsaihumans	emailphone	none
keeplist.com ↗	67 match 2 shared topics	Keeplist \| To-do List and Reminders	en	software-and-applications	robotsllmsaihumans	emailphone	none
rememberthemilkapp.com ↗	67 match 2 shared topics	Remember The Milk: Online to-do list and task management	en	productivity	robotsllmsaihumans	emailphone	none
any.do ↗	66 match 2 shared topics	A simple to do list for you and your team	en	productivity	robotsllmsaihumans	emailphone	none
365calendar.app ↗	66 match 2 shared topics	365 Calendar & Tasks - FREE APP	en	software-and-applications	robotsllmsaihumans	emailphone	none
365-calendar-tasks.com ↗	66 match 2 shared topics	365 Calendar & Tasks - FREE APP	en	software-and-applications	robotsllmsaihumans	emailphone	none
easyganttcharts.com ↗	66 match 2 shared topics	Online Gantt Chart Software for Project Planning & Task Management	en	software-and-applications	robotsllmsaihumans	emailphone	none
dida365.com ↗	65 match 2 shared topics	DIDA: A To-Do List and Calendar to keep you organized	en	productivity	robotsllmsaihumans	emailphone	none
anytaskapp.com ↗	65 match 2 shared topics	AnyTask — Organize, share, and sync tasks with reminders and widgets	en	software-and-applications	robots llmsaihumans	emailphone	none
olotasks.com ↗	65 match 2 shared topics	OlO Tasks: Free task management for anyone, anywhere and anytime	en	productivity	robotsllmsaihumans	emailphone	none
vistoapp.com ↗	65 match 2 shared topics	Visto App \| Share and automate all your process and tasks	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
heimin.app ↗	65 match 2 shared topics	Heimin - Simple Task Management for Small Teams \| Free	Taiwan~ en	productivity	robots llmsaihumans	emailphone	none
spoonable.io ↗	64 match 2 shared topics	- Organize Family Tasks	en	productivity WordPress	robotsllmsaihumans	emailphone	partial · 8
fadel.io ↗	64 match 2 shared topics	Fadel.io \| We create software for you to have a more productive day	en	software-and-applications Paddle	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.