Basecamp extras and integrations via the API

Create your own extras with the Basecamp API.

Discuss the API, share code, and collaborate with fellow developers in the Basecamp API forum.

Invoicing, Billing, Accounting
Tick

Blinksale

"The easiest way to send invoices online" now works with Basecamp.

  Chronopipe Quickbooks

Chronopipe

Now you can import your Basecamp Time Entries to QuickBooks.

Freshbooks

FreshBooks

Web-based invoicing and time tracking tool. Can even send invoices via Snail Mail.

  Cashboard

Cashboard

Estimates, time tracking, and accounting for service-oriented businesses.

Simply Invoices

Simply Invoices

Simple web-based invoicing built to work beautifully with Basecamp.

  SimplifyThis

SimplifyThis

Easily invoice your customers and get paid faster online.

Simply Invoices

Pulse

Cash flow management tool makes tracking the health of your business simple.

  Idalica ERP

Idalica ERP

Highly customizable, fully featured, ERP system (Inventory, Accounting, & CRM).

Less Accounting

Less Accounting

Simple, web-based accounting solution for small businesses and freelancers.

     
Widgets
spanning events

OS X Widget

Access your Basecamp projects from your Mac OS X Desktop with this Dashboard Widget. Tiger or later.

  telescope widget

Telescope

Telescope is a free Mac OS Dashboard Widget for viewing current status of projects managed with Basecamp.

spanning events

Sundial

Mac Dashboard widget that allows you to quickly and easily log time entries to your Basecamp account.

  Avalanche

Avalanche

Full-featured Yahoo! widget that works with Basecamp.

Time Tracking
Project recon

Project Recon

Project Recon is a widget for Windows that sits in the system tray and tracks time with Basecamp.

  Time Post

Time Post (Mac OS X)

Timepost is a project timer that automatically downloads projects and to-dos from Basecamp.

Tick

Tick

Time tracking and budgeting tool that integrates with Basecamp.

  add freeform

Harvest

Web-based time tracking for any small business or team that is client-services driven.

Mobile
spanning events

Phonified Tracker

Access your Basecamp account over a cell phone with Phonified Tracker. Supports Nokia S60, Blackberries, and Treos.

  spanning events

Scout for Tablet PC

Access your Basecamp account from your Tablet PC (watch a movie).

Trailguide

TrailGuide

An optimized mobile client for managing Basecamp projects "on the Go".

     
Software Development Tools
Beanstalk

Beanstalk

Beanstalk is a hosted Subversion system, making it easy to setup, browse, and track Subversion.

  Springloops

Springloops

A source code management tool focused on web development teams that integrates with Basecamp.

ProjectLocker

ProjectLocker

ProjectLocker is a hosted Subversion and Trac system with source control, issue tracking, and Wiki.

  Fixx

Fixx

A bug tracking and issue tracking system for software teams.

Other
sproutit mailroom

SproutIt Mailroom

Hosted email management for your sales and support email that integrates with Basecamp.

  ProofHQ

ProofHQ

Design collaboration, proofing and approval tool for brands, agencies, designers, etc.

Thicktoast

ThickToast

A simple system to load your BaseCamp XML export/backup into an Access database.

  run my process

RunMyProcess

Integrate your Basecamp information with other applications without any programming.

ExportReports

ExportReports

Allows you to export a Basecamp project to a PDF.

  agileagenda

AgileAgenda

Plan your project schedule in AgileAgenda, and then export it to Basecamp to get it done.

mailmanagr

Mailmanagr

Allows for posting of Messages, Milestones and Todos to your Basecamp account via e-mail.

  telegraph

telegraph

Import information from other systems into your Basecamp account if they support RSS or Atom.

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