SessionBox vs Sidebery

SessionBox One turns browser tabs into separate profiles so users can manage multiple accounts on the same site in one browser window. Profiles can use different proxies, and direct sharing lets someone pass along an active profile without sharing login credentials. Teams can share profiles and proxies through Shared Spaces. Cloud synchronization supports continuing sessions on another device, while a local API connects existing tools such as Selenium and custom solutions. The maker says sensitive profile data is encrypted and decrypted on the user's device using AES-256 and RSA 2048-bit algorithms. Local profiles are stored in browser IndexedDB, synced profile data in the maker's data store, and temporary profiles are not persisted. Extensions connect Chrome, Edge, Firefox, or Opera to the client application. SessionBox One is optimized for Windows and macOS; a mobile application is unavailable and not planned. The first installation starts a seven-day trial with all features and no credit card required. Hobby costs $4.99 a month.

Sidebery is a free Firefox extension for managing tabs and bookmarks in a sidebar. Its panels can display tabs, bookmarks, and browsing history, with tabs shown as a flat list or tree. Users can group tabs under custom names, color and sort them, and automatically unload folded branches or inactive panels. Container features bind containers to panels, reopen URLs in selected containers, and set proxy or User-Agent settings. The extension also supports tab search, session restore, suspension, workspaces, snapshots, and optional cross-device synchronization. Context menus, mouse and keyboard controls, drag-and-drop behavior, and sidebar styles can be customized with variables and CSS. Data is stored locally by default; Firefox Sync or Google Drive can sync selected settings and tab data. The project is MIT-licensed. Firefox does not permit hiding the native horizontal tab bar, and some tab-moving add-ons may conflict.