Manageyum

Manageyum allows you to use your favorite web services without the need for a web browser and desktop clients.

It features a unified tabbed environment that allows you to access applications such as Asana, Basecamp, Bitbucket, Confluence, Evernote, Freshdesk, GitHub, Gitter, Gmail, Google Calendar, Google Drive, Hangouts, Helpscout, HipChat, Hubspot, Inbox, Intercom, Jira, Linkedin, Messenger, Outlook, Product Hunt, Skype, Slack, Telegram, Todoist, Trello, Twitter, Whatsapp, or even Wunderlist.

You can also add other web services and websites that are missing from the preset list. Notification support applies for certain services.