Community Metrics Report
Tully Foote & Katherine Scott
Reporting on August 2020
Comparisons are to July 2019 ReportContents

Awareness Metrics
Membership Metrics
Engagement Metrics
Code Metrics

Source: Metrics categories borrowed from Dawn Foster of MeeGo:
http://wiki.meego.com/Metrics

Awareness Metrics

Discovering the community, learning more about it(potential community members)ros.org:
Visitors & Page Views

wiki.ros.org Visitors: July 2020

Site: wiki.ros.org
Source: Google
Analytics
YoY Growth: -1.9%

wiki.ros.org YoY Visitors: July 2020

wiki.ros.org visitor locations:

Source: Google Analytics
Site: wiki.ros.org in July 2020

Public wiki.ros.org Mirrors● Asia:● Singapore

This report does not include datafrom these mirrors.
Source: http://wiki.ros.org/Mirrors● China● Tokyo, Japan● Ho Chi Minh, Vietnam● Europe:● Ireland● Freiburg, Germany● Barcelona, Catalonia● North America:● College Park, Maryland● Saint Louis, Massachusetts● Potsdam, New York● South America● Sao Paulo, Brazil

answers.ros.org visitors:
answers.ros.org
July 2020 Source: Google Analytics
YoY Growth: 3.98%

index.ros.org visitors:July 2020

index.ros.org Year Over Year:
July 2020

discourse.ros.org Visitors
July 2020

discourse.ros.org Visitors YoY
July 2020

Membership Metrics

Taking the time to sign up and join the community(passive and active community members)

Community Resource Membership● discourse.ros.org users● 5.6k (33% increase)● wiki.ros.org users:● 2019 ⇒ 2020
● 8,473 ⇒ 9,148 (~8% increase)● answers.ros.org users:● 40,530 (19% increase)
Sources: MailMan, MoinMoin,askbot, Discourse
Sampled: 2020-08-20

Engagement Metrics

Interacting with other community members(active community members)

wiki.ros.org: activity in July 2020
● Wiki pages:● 17,488 ⇒ 16542(-5.4% YoY)
● This is due to removing cruft/spam● Wiki page edits:● 21.8 / day (-9.5% YoY)
● Wiki page views:● 2019 ⇒ 2020
● 2,374,659 ⇒ 2,026,525 (-12.18%)
Source: MoinMoin, Google Analyics (sampled 2020-08-24)

answers.ros.org: activity● Between 2019 ⇒ 2020
● Total Questions:● 48,222 ⇒ 54,205 (12.4% increase)● Answered Questions:● 32,605 ⇒ 34,256 (5% increase)● New questions in July:● 677 ⇒ 726● 21.8 / day ⇒ 23.4 / day● 7.2% Increase
Source: answers.ros.org
Sampled: 2020-08-24

discourse.ros.org activity
2019

2020

Source: http://discourse.ros.org/about
Sampled: 2020-08-23

Code Metrics

Engaging with the ROS project at a code level(developers and users)

Binary Downloads
July 2019

July 2020 YoY Change

Total Packages

55277

86128

55.81%

Diff Pkgs

11403

16044

40.70%

Deb Downloads

20645089

38554145

86.75%

Unique Visitors

437,687

714,247

63.19%

Source: Apache2, counting only downloads from the main
repository (not the testing repository, shadow-fixed, or mirrors)
Some server logs may have been lost prior to analysis.

Top 20 Downloaded Packages
Direct downloads from packages.ros.org - July 2020
2020 RankPackage Name

2020 Downloads

2019 Downloads

YoY % Change

1 python-catkin-pkg-modules

17635983507

111.19%2 python-catkin-pkg

17466882976

110.50%3 python-rospkg-modules

16993773874

130.04%4 python-rospkg

16940173853

129.38%5 python-rosdistro-modules

15056473370

105.21%

6 python-rosdistro

15000873468

104.18%

7 python-rosdep-modules

13264873874

79.56%

8 python-rosdep

13192775091

75.69%

9 ros-melodic-python-qt-binding

11671223863

389.09%10 ros-melodic-rviz

114501

22895

400.11%

11 ros-melodic-qt-gui

10877719749

450.80%12 ros-melodic-rqt-gui

108661

19003

471.81%13 ros-melodic-rqt-gui-py

107082

18418

481.40%14 ros-melodic-rqt-py-common

102931

17778

478.98%15 ros-melodic-qt-gui-cpp

102593

17919

472.54%16 ros-melodic-rqt-logger-level

10207817443

485.21%17 ros-melodic-rqt-console

10200217437

484.97%18 ros-melodic-rqt-gui-cpp

10190017074

496.81%19 ros-melodic-rqt-reconfigure

10120917389

482.03%20 ros-melodic-qt-gui-py-common

10091717001

493.59%

Downloads by architecture
Direct downloads from packages.ros.org - July 2020
Results larger than 0.001%

Arch2019 %

2020 % YoY Change

i386

0.93

0.34-0.59

amd64

87.24

87.35

0.11

armhf

2.6

1-1.6

arm64

4.29

4.38

0.09

source000

Downloads by architecture
Direct downloads from packages.ros.org - July 2020Results larger than 0.001%
Arch2019 %

2020 %YoY Changebionic_amd64

25.3

54.96

29.66

bionic_arm64

2.43

3.63

1.2

bionic_armhf

0.82

0.49

-0.33

buster_amd64

N/A

0.12

0.12

buster_arm64

N/A

0.02

0.02

focal_amd64

N/A

6.60

6.60

focal_arm64

N/A

0.36

0.36

focal_armhf

N/A

0.05

0.05

precise_amd64

0.05

0.06

0.01

stretch_amd64

0.38

0.15

-0.23

stretch_arm64

0.05

0.04

-0.01

trusty_amd64

5.83

1.25-4.58

trusty_armhf

0.13

0.03

-0.1

trusty_i386

0.16

0.04

-0.12

xenial_amd64

50.27

21.35

-28.92

xenial_arm64

1.61

0.29

-1.32

xenial_armhf

1.45

0.38

-1.07

xenial_i386

0.68

0.26

-0.42

July Binary Downloads by rosdistro
Distro2019 %

2020 %YoY Changehydro and earlier

<0.01

<0.01

0.0

indigo (LTS)

5.02

1.18

-3.84

jade

<0.01

<0.01

0.0

kinetic (LTS)

53.06

22.04

-31.02

lunar

0.85

0.18

-0.67

melodic (LTS)

26.71

47.06

20.35

04.43

4.43

ardent

0.07

0.01

-0.06

bouncy

0.05

0.03

-0.02

crystal

0.62

0.12

-0.5

dashing LTS

1.51

7.3

5.79

eloquent

0

4.65

4.65

foxy (LTS)

0

2.14

2.14

12.1

10.78

-1.32

noetic (LTS)

none

Source: Apache2, counting only downloads from the main
repository (not the testing repository, shadow-fixed, or mirrors)Public Debian Package Mirrors● Ireland● Singapore● Freiburg (Germany)● University of Tokyo(Japan)● Clarkson University (USA)This report does not include datafrom these mirrors.
Source:http://wiki.ros.org/ROS/Installation/UbuntuMirrors● University of Maryland (USA)● Delft University of Technology (The Netherlands)● Centro Universitário da FEI (Brazil)● USTC (China)● Tsinghua University (China)● Beijing Foreign Studies University (China)

rosdistro activity (~up 43%)

The rosdistro http://github.com/ros/rosdistro is the repository wherereleases are managed and the main index of publicly announced ROSpackages. Most pull requests on this repository are requests for indexingor packaging of ROS packages.

Research use

Total number of papers citing:“ROS: an open-source Robot Operating System”(Quigley et al., 2009)
7410 (26% increase)

Source: Google Scholar 2020-08-24