If you're looking for another Filestack alternative, Uploadcare is a good option. It's a full-fledged file management service that includes tools for uploading, processing and delivering files in a lightweight, developer-friendly package. It's got features like real-time optimization, AI-powered image operations and automated document conversion. It also offers secure delivery and access control with signed URLs, malware and NSFW filtering, and support for multiple JavaScript frameworks and APIs for integration.
Another good file upload and processing option is Transloadit, which is designed for developers who need a more complete file upload and processing service. It can handle file uploads from various sources, smart CDN delivery, video encoding, image processing and document processing. Transloadit supports many programming languages and offers SDKs for popular platforms, automating media workflows and offering high uptime and scalability with its globally distributed infrastructure.
Although not a file management service by nature, Dropbox is a secure and reliable service for storing and sharing files, with features like protected file storage, version history and password protection. It also offers tools for PDF editing and video feedback, as well as AI-powered search and organization tools. Dropbox is good for teams that need to collaborate efficiently and protect data, with customizable plans for different needs.