A multi-donor fund by Renaissance Philanthropy dedicated to sustaining and evolving the open source software stack that underpins science.
Joined April 2026
- Tweets 17
- Following 116
- Followers 77
- Likes 19
1 Photos and videos
Five days left to submit your Letter of Intent for our Open Source for the Life Sciences (OS4LS) call. LOIs are due June 8 at 2pm PDT.
Apply at os4science.org/funding_oppor….
49
Missed our info sessions this week? A recording is now available!
• Video: drive.google.com/file/d/1wcd…
• Slides: docs.google.com/presentation…
Still have questions? Check out our FAQ page or reach out directly at info@os4science.org
The Letter of Intent deadline is June 8th.
34
A reminder that our webinars are this week. Sign up if you want to learn more about the current call for proposals and ask us anything:
📣 The inaugural Open Source for the Life Sciences funding opportunity is live!
We're hosting two information sessions to help you learn more, ask questions, and understand the application process. Sessions cover the same content, register for whichever time is most convenient:
ALT Banner describing two information sessions for the Open Source for the Life Sciences call for proposals. More information and schedule details in the thread.
83
A new open source project from our sister program, the Mathlib Initiative, at Renaissance Philanthropy. Check it out:
Launching today: Formal Frontier from the Mathlib Initiative, a program of @RenPhilanthropy and funded by @xtxmarkets.
Formal Frontier will focus on responsible, scalable, and open-source AI-driven autoformalization of mathematics.
Read more and learn how to get involved: mathlib-initiative.org/forma…
2
78
📣 The inaugural Open Source for the Life Sciences funding opportunity is live!
We're hosting two information sessions to help you learn more, ask questions, and understand the application process. Sessions cover the same content, register for whichever time is most convenient:
ALT Banner describing two information sessions for the Open Source for the Life Sciences call for proposals. More information and schedule details in the thread.
2
9
28
3,817
🗓 Session 1: Wednesday, May 27 (&28)
[6:00 pm PT | 9:00 pm ET | 1:00 am UTC (May 28)]
zoom.us/webinar/register/WN_…
🗓 Session 2: Friday, May 29
[7:00 am PT | 10:00 am ET | 2:00 pm UTC | 4:00 pm CEST]
zoom.us/webinar/register/WN_…
1
107
Want to stay up to date? Subscribe to our newsletter for the latest news and new funding opportunities: os4science.org/newsletter/
Newsletter
Sign up to receive news and updates from the Open Source for Science Fund.
os4science.org 2
95
How does the fund work? How can you join as a funding partner? How to apply for funding? We've got you covered, check out our FAQs: os4science.org/faq/
1
125
Open Source for Science Fund retweeted
May 11
Exciting new funding opportunity for open source software in the life sciences: @os4science has launched its inaugural call for proposals.
Definitely worth a look if you’re building in this space!
📣 New funding opportunity. Today, we're launching our inaugural call for proposals for open source software that underpins data-intensive research and AI-driven discovery in the life sciences. 1/
os4science.org/funding_oppor…
1
1
140
📣 New funding opportunity. Today, we're launching our inaugural call for proposals for open source software that underpins data-intensive research and AI-driven discovery in the life sciences. 1/
os4science.org/funding_oppor…
1
14
39
3,299
Two application tracks:
Track 1. domain-specific software tools across a broad range of disciplines in the life sciences (up $250,000)
Track 2. foundational libraries as well as collaborations among related projects within the same software ecosystem (up to $1,000,000)
3/
1
1
109
Across these two categories, we will give priority to applications that enable large-scale data analysis and AI-driven applications and workflows.
Letters of intent (LOI) are due June 8, 2026. Full application details at: os4science.org
4/4
1
89
Open Source for Science Fund retweeted
May 5
Always great to see other funders supporting this important space, especially in this moment when the users are both humans and agents so much needs to be rethought
May 4
We at @RenPhilanthropy are launching a new $20m fund to support open source scientific software
os4science.org/
2
13
2,214
It's launch day! Check out our blog post for the official announcement or follow us for updates: os4science.org/news/open-sou…
The AI revolution in science is powered by open source software. Let's fund it.
Today we're launching the Open Source for Science Fund @os4science, a new multi-donor philanthropic fund by @RenPhilanthropy, seeded by @biohub and @wellcometrust, with support from @KavliFoundation and Research Software Alliance.
🧵os4science.org/news/open-sou…
1/4
1
3
157
@timoreilly since you followed our journey since that fireside chat at our first event in Berkeley in 2020.
1
41