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thunderbird /thunderbird-android

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

androidcommunicationemailmozilla
Open on GitHub Website#45 in Kotlin
Stars14,182
Forks2,881
Open issues1,113
Avg. stars / day3faster than 0% of Kotlin
LanguageKotlin
LicenseApache-2.0
CreatedFeb 4, 2011
Last activityNov 5, 2026

Momentum

starts with the second daily update

Repocharts records a data point every day. Growth figures appear from tomorrow on.

Stars over time

tracked daily since Nov 5, 2026

14,182 stars today. This graph fills in as daily data points come in.

Chart positions

November 5, 2026
ChartRankPrev.PeakDays on chartAt this rank
Kotlin#45 ·–#4511 day

Rank history

last 90 days, #1 at the top

The rank history appears after the second daily update.

Compared with the Kotlin chart

bar = this repo, line = chart median
Stars14.2k64% of median
Forks2.9k94% of median
Avg. stars per day326% of median
Open issues1.1k5.3× median

Commit activity

last 52 weeks

Commit activity is fetched once a week and appears here after the next update.

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Cite and share

According to Repocharts, thunderbird/thunderbird-android ranks #45 in the Kotlin ranking on November 5, 2026.