Category
MRR journey
90 posts in this category.
Zig Software Foundation revenue: $921,832 in 2025
ZSF's 2025 return shows $921,832 of revenue, one employee on $159,790 and $583,111 going out to contractors. Reconciled against the foundation's own published books, which agree to the cent on everything except depreciation.
Apache Software Foundation revenue: $2,220,257 in FY2025
The Apache Software Foundation took $2,220,257 in the year to 30 April 2025 and spent $2,334,727, its first loss in the recent series. Its own board had budgeted $3,000,000 of income and a $239,250 surplus. Read from three filed Form 990 returns and ASF's published budgets.
Rust Foundation revenue was $5,274,907 in 2025, and its 990s reported the Executive Director at $0
Rust Foundation revenue was $5,274,907 in 2025 against $4,810,306 of expenses. All five Form 990 filings, from the filed XML, including the year page one does not have. Membership dues actually fell, and Part VII reported the Executive Director at $0 for three straight years.
Free Software Foundation revenue was $1,362,457 in FY2025, and its own audit says $1,511,523
FSF reported revenue of $1,362,457 for the year ended September 30, 2025 against $1,431,359 of expenses. Its audited statements report $1,511,523 and a surplus. Five Form 990 filings cover three years, two of them amended.
Python Software Foundation revenue: $4,086,997 in 2024, and two statements that disagree
The PSF reported revenue of $4,086,997 for 2024 against expenses of $5,765,854. Its own annual report shows $4,293,000 and puts the money in opposite buckets. Unrestricted reserves are down 46.7% in two years, the public support percentage moved 26 points on one vanished line, and Sub-Saharan Africa has overtaken Europe as its largest grant region.
Signal Foundation revenue was $29,413,537 in 2024, and its net assets went negative
Signal Foundation revenue was $29,413,537 in 2024 against $38,019,696 of expenses, and year-end net assets fell to minus $4,724,975. The Foundation also earned $6,386,666 of licensing fees, owes Brian Acton $33,810,810 against a $105,000,400 note none of which has been repaid, and paid $227,425 of federal income tax in 2023.
Calyx Institute revenue was $7,198,949 in 2025, and $2,516,681 of it goes straight back to members
Calyx Institute's 2025 revenue is $7,198,949. But $2,482,692 of it is membership dues, matched by $2,516,681 of member benefits on the expense side. Strip the membership programme out and the operating surplus has fallen 78.66% in two years.
Open Source Robotics Foundation revenue was $2,596,521 in 2024, and most of the growth was not revenue
OSRF reported $2,596,521 of revenue for 2024 against $1,943,778 in 2023. But net assets grew $1,563,676 on a $566,754 surplus, and tracing the difference leads to a wholly owned taxable subsidiary with almost no public existence.
Open Source Initiative revenue was USD 1,093,077 in 2024, and fell 38.9% in 2025
OSI filed $1,093,077 for 2024 and has self-published $667,000 for 2025, a year the IRS does not have. Its accounts and its tax return disagree, and the gap reconciles exactly.
Open Technology Fund revenue was $53,115,458 in FY2025, its biggest year and its worst balance sheet
OTF's audited revenue hit a record $53,115,458 in the year ended 30 September 2025. In the same year its cash halved to $25,283,707 and it closed with net assets of minus $123,660. Six grant years paid for one fiscal year.
Tor Project revenue was $12,279,993 in 2025, and the US government share fell to 22.6%
The Tor Project's record 2025 revenue is $12,279,993, up 68.5%. The government money went the other way: down 47.5% since 2023, to 22.62% of revenue on Tor's own method, from 53.5% three years earlier.