Alternatives to Kloudless for all platforms with any license

Nylas Mail

Nylas Mail was superseeded largely by two forks - Mailspring and Nylas Mail Lives. Nylas Mail...
- Discontinued
  On September 6, 2017 the company announced that customer support for Nylas Mail was no longer provided. The project was fully open-sourced and the repository can be found on GitHub. Last version of the program, 2.0.31, released in April 2017, can be still downloaded from the official website. https://www.nylas.com/blog/sunsetting-nylas-mail-development
Free Open Source Mac Linux Web Self-Hosted
Cloud sync Extensible by Plugins/Extensions Apps that Sync with Google Calendar Office 365 integration Add a feature

57 Like
Uppy

Uppy is a sleek, modular file uploader that integrates seemlessly with any application. It’s fast, easy to use and lets you worry about more important problems than...

Free Open Source Self-Hosted
No features added Add a feature

9 Like
Uploadcare

Uploadcare is a global end-to-end cloud platform disrupting the traditional CDN market through Adaptive Delivery technology that converts visual-first customer...

Commercial $ $ $ Web Zapier Meteor CKEditor Amazon Simple Storage Service ... Ruby Python Laravel Shopify React Redactor Text Editor Gravity Forms TinyMCE Bower JavaScript Drupal Django Webflow Joomla AngularJS Software as a Service (SaaS) Bitrix24 PHP WiX.com Ruby on Rails Java Squarespace Wordpress JotForm Netlify CMS Objective-C
Wordpress integration Image Preview Built-in Image editor Cloud sync ... CDN Direct file uploading Dropbox integration Evernote integration Facebook integration File management Image CDN Image Editing Image Processing Image recognition Image Sharing Watermark images Instagram integration Support for Large File Onedrive integration Remote URL upload Responsive images File Sending Large File Transfer Convert Videos to Animated GIFs Add a feature

21 Like
CloudExplorer

File picker for web apps, free and open source, connects to cloud storage services.

Free Open Source Web Self-Hosted
Cloud sync File management File Storage File transfer ... Real time collaboration Add a feature

4 Like
Cyclr

Cyclr is an embedded integration platform that allows SaaSs to create and manage API integrations with other applications using a drag & drop integration builder...

Commercial $ $ $ Mac Windows Linux Web
API Integration API Management Automation Integration with CRMs ... Integration IPaaS Magento integration Mailchimp integration Marketing automation Pipedrive integration REST API Salesforce integration Software as a Service Twilio integration WooCommerce Integration Workflow Automation Zendesk integration Add a feature

4 Like
Filestack

Filestack provides everything a developer needs when working with user content, from connecting to over 15 cloud storage services like Dropbox, Facebook, and Google...

Freemium Web
CDN File management Web-Based Add a feature

7 Like
Cloud Explorer

Cloud Explorer is a open-source S3 client. It works on Windows, Linux, and Mac. It has a graphical and command line interface for each supported operating system. ...

Free Open Source Mac Windows Linux
Portable Add a feature

1 Like
Cloud Elements

Simplify cloud application integrations and enable application developers to deliver “Cooperative Apps”. Use a “one-to-many” approach to connect your application with...

Commercial Web
API Integration API Management Cloud based Add a feature

2 Like
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UploadThingy

Receive print jobs, photos, videos, graphics and other large files on your site. Just copy and paste some HTML to get an upload form that looks like your site. Setup...

Commercial Web
No features added Add a feature

1 Like
AssetPicker

AssetPicker is a free asset or file picker designed to be easily included into web application interfaces. It has a file abstraction layer allowing adapters to connect...

Free Open Source Mac Windows Linux Web Self-Hosted ... Vue.js
File management File Storage Portable Add a feature

1 Like