Amplenote is an all-in-one notes, tasks, and calendar productivity tool known for nested tags and bullet journal style, with a free tier and paid plans around $8/month, ideal for time-focused knowledge workers.
Akiflow is an AI-powered time blocking and calendar aggregation tool for high performers, unifying tasks, calendar, and AI scheduling from about $19/month to enable deep work.
Chanty is a lightweight team chat platform founded in 2017 in Ukraine; the free plan supports 10 members with unlimited message history, and the paid plan starts at about $3/user/month with AI summaries and Kanban tasks, a high-value Slack alternative.
Bitrix24 is an all-in-one business collaboration platform launched in 2012 and adopted by 15,000,000+ organizations. Its free plan is free forever with unlimited users, combining CRM, project management, social intranet, and communication in one workspace for budget-conscious SMB teams.
Paymo is an integrated work management platform from Romania that combines project management, time tracking, resource scheduling and invoicing. The free plan offers unlimited time tracking and invoicing, Plus costs about $10.9 per user per month, and it suits small service teams managing from quote to payment.
Microsoft To Do is a free task management app launched by Microsoft in 2017, deeply integrated with Microsoft 365 and Outlook, available across 5 platforms at no cost — the handiest to-do tool for Microsoft ecosystem users.
Logseq is an open-source local-first note-taking app launched in 2021 by a US team, built around outlining and bidirectional links; notes are stored as Markdown files locally with PDF annotation and whiteboard support, a popular choice for building personal knowledge bases.
Any.do is a cross-platform to-do app known for minimalist design and smart reminders, serving tens of millions of users globally across iOS, Android, Web, and more, with a free tier and Premium from about $3/month.
Flock is an enterprise team messaging and collaboration platform launched in 2014 that combines group chat, HD video conferencing, task management and 150+ app integrations. The free plan supports 20 people; Standard is $4.50/user/month.