Best Synchronization Products in 2025

Synceri is a free-to-use platform for sharing time-bound information. Use it to create shared calendars, schedules, timelines, agendas, and more.

free

All-in-one encrypted to-do list, habit tracker, journaling, life-tracking and notes app.

Key Lunatask features:

Unified Platform Privacy-Focused Flexible Notion-Style Projects Multiple Views

Visit website freemium

FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.

Key FreeFileSync features:

Free and Open Source Cross-Platform User-Friendly Interface Advanced Sync Options

rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

Key rsync features:

Efficient Data Transfer Bandwidth Throttling Compression Secure Transfer

Open Source

Easy two-way data synchronization between your apps—set up in minutes, no maintenance required.

paid Free Trial $29.0 / Monthly (500 items in sync, 5 active syncs)

Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.

Key Teamup Calendar features:

Easy to Use No User Accounts Required Customizable Access Permissions Color-Coded Events

GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.

Key GoodSync features:

Cross-Platform Compatibility Real-Time Synchronization Security Features Wide Range of Supported File Systems

Unito is a no-code automated platform that connects apps and tools used by professionals and syncs work data between them to save time and eliminate manual data entry.

Key Unito features:

Customizable rules : You decide what data will be synced, where, and how, with absolute precision. Rules can be defined for almost any field, including tags, assignees, comments, custom fields, and more Field Mapping : Restrict selected data to flow one-way, map multiple fields into a single path through a corresponding tool, and guarantee the information you want on-hand is always available in the right place Comment syncing : Stay on top of the feedback and approval cycle, or track notes on deals and issues by syncing comments between tools to ensure nothing gets missed or siloed Custom field syncing : Work the way you want with the tools you already use. Regardless of how customized your SaaS is, Unito guarantees you'll never need to rely on inflexible templates again

paid Free Trial $10.0 / Monthly (Personal Plan)

Cloudslinker is an efficient cloud storage transfer tool that operates entirely in the cloud, allowing users to initiate transfers via browser without any downloads. It continues to function even if the local PC loses power.

paid $6.0 / One-off (1 user)

Sync your Notion tasks with Google Calendar effortlessly. Stay organized, never miss deadlines, and automate your workflow with Notion2Gcal.

freemium $4.0 / Monthly

Next generation shared calendar.

Key GroupCal features:

User-Friendly Interface Real-Time Updates Cross-Platform Syncing Shared Calendars

WinMerge is an open source differencing and merging tool for Windows.

Key WinMerge features:

Open Source User-Friendly Interface Comprehensive Merge Capabilities File and Folder Comparison

Open Source

Spend less time managing your day & more time enjoying it.

Key Google Calendar features:

Cross-Platform Accessibility Integration with Other Google Services Collaborative Features Event Notifications

Sync Outlook and Google Calendars in real-time, share booking links, and view all your calendars in one view.

Key OneCal.io features:

Outlook and Google Calendar Sync Booking Links Flexible and Fully Configurable Calendar View

paid Free Trial $5.0 / Monthly (Starter)