
DeveloperTools.Tech
FreeFormatter
JSON Formatter & Validator
1tools
AllDevToolsHub
DeveloperToolStack
DevNestTools
A collection of developer tools in one place in your browser

AnnuCal
Notion Calendar
Google Calendar
Year Glance
Moleskine Timepage
Morgen.so
ClickUp
Plan your whole year inside the calendar your team already uses. Kalnext gives Google Calendar and Microsoft Outlook a real 12-month view with two-way sync, so the block you drag is the event itself.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devtoolsadvanced.com | kalnext.com |
| Pricing | — | |
| Company | — | Startup from France · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DevTools Advanced yet.
Kalnext is a year planner that lives inside your existing calendar. Connect Google Calendar or Microsoft Outlook and you get all twelve months on one screen, with real event names, colours and durations, in a horizontal or vertical layout. Nothing to re-enter. Sync is two-way and real-time:...
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Kalnext yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevTools Advanced and Kalnext. For example, how are they different and which one is better?
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Plan your whole year on one screen. AnnuCal is a time-first year planner - see all 12 months at a glance to think long-term, stay realistic, and make better decisions. Made in Germany.
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Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.
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All of your commitments, now in one place. Meet the beautifully designed, fully integrated calendar for your work and life.
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The JSON Formatter was created to help with debugging.
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Spend less time managing your day & more time enjoying it
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