The Road to 200,000 Downloads: The Cesium Story. Sarah

Transcription

1 The Road to 200,000 Downloads: The Cesium Story Sarah

2 What is Cesium? World-class 3D globes and maps in the browser Tile and host geospatial data with Cesium ion s simple workflow Create custom 3D geospatial mapping apps with the open-source CesiumJS library Stream massive heterogeneous 3D geospatial datasets with 3D Tiles

3 What is Cesium?

4 First Year to Today 157 contributors 3,092 GitHub stars 262,000 lifetime downloads (est.) 22 contributors 150 GitHub stars 729 lifetime downloads (est.)

5 First Year to Today Millions Users 157 contributors 3,092 GitHub stars 262,000 lifetime downloads (est.) 22 contributors 150 GitHub stars 729 lifetime downloads (est.)

6 Who Does Outreach?

7 Who Does Outreach?

8 How did we get here? How can your project get here?

9 Communicate

10 Communicate: News Blog: News New releases Team updates Cesium features Success stories Events Blog: Development Most popular Require more dev team investment Guest blog posts and reviews

11 Communicate: Documentation Design for contribution Have enough documentation contributors will follow it Provide entry points that are easy

12 Communicate: Documentation

13 Communicate: All Channels Forum Twitter Blog LinkedIn

14 Communicate: Events

15 Facilitate

16 Facilitate: Forum Have one central community forum Public, searchable answers in one place Crosslink as much as possible to create an "archive of links" Dedicate a team member to facilitating the forum Respond promptly But not too promptly Watch for trends, encourage contribution, find potential collaborators

17 Facilitate: Example

18 Facilitate: Example

19 Amplify

20 Title Amplify: Showcases Summary Description Screenshots

21 Amplify: Showcases

22 Amplify: Twitter Include right people Tweet at optimal times

23 Summary 1. Communicate clearly Choose transparency 2. Facilitate effective conversations Create a space for community 3. Amplify community work Turn contributors into rockstars

24 The Road to 200,000 Downloads: The Cesium Story cesium.com Sarah

25 Bonus Slides

26 Resources Art of Community, Jono Bacon Growing, focusing, and managing communities Traction, Gabriel Weinberg (DuckDuckGo) & Justin Mares Methods of reaching users Growing an Open Source Community, Gabby Getz (Cesium) How we grew Cesium s contributor and committer communities. Hints for successfully managing an open-source project, David Catuhe, BabylonJS Healthy Open Source, Mikeal Rogers, Node.js Polite Technology, Tom MacWright

27 Open Source Community founders / steering committe e committers contributors users

28 Communicate: Blog

29 Feb 2012 Apr 2012 Jun 2012 Aug 2012 Oct 2012 Dec 2012 Feb 2013 Apr 2013 Jun 2013 Aug 2013 Oct 2013 Dec 2013 Feb 2014 Apr 2014 Jun 2014 Aug 2014 Oct 2014 Dec 2014 Feb 2015 Apr 2015 Jun 2015 Aug 2015 Oct 2015 Dec 2015 Feb contributors Contributor Stats (as of February 2018) 32 AGIers (founding company) Cesium AGI s Cesium Lab 1.0 Total AGIers Community First communit y contributi on GSo C GSo C GE deprecation

30 Contributor Stats Monthly contributors committing to master: 100% % 80% % 60% % 40% 30% % 10% 0% February 20 - March 20 March 20 - April 20 # Cesium team # Other AGIers # Community

31 More Tips Start with one public forum Default to the forum. Minimize private Always ask for feedback. Cesium in 2016 Have a Code of Conduct Consider Issue Templates Use Google Alerts Conference and Meetup talks Be careful about corporation ownership

32 Ideas for Tweets New Cesium releases Retweet tweets New showcases and Cesium blog posts Upcoming Cesium features External contributions, especially someone's first contribution Relevant conference news, code sprints, events, etc. Useful Cesium forum threads gltf news. Likewise: 3D Tiles, CZML, and quantized-mesh news AGI new hires and Cesium-related job openings (AGI or others) Sparingly, milestones such as number of followers, stars, unit tests, lines of code, etc. Schedule tweets with TweetDeck.

33 Cesium Milestones Cesium ion launched released as open-source internal development started Cesium 1.0 released Cesium ion announced March 2011 April 2012 August 2014 May 2016 March 2018

34 Bonus: Tips to get Contributions Grow the user community to grow the contributor community Make contributors rockstars - blogs, forum, twitter, etc. Use CLAs High barrier to entry at first, now we get 1+ a week. Document standards, most contributors read them Plugins get most of the contributions It's really hard to find time to review contributor pull requests that aren't a priority, especially big ones Only merge code you are willing to maintain it

35 Amplify: Twitter

36 Facilitate: Forum

37 Amplify: Twitter