Glide is a web-based app builder that allows non-programmers to quickly create powerful and beautiful internal business apps by starting from scratch, starting with a prompt, or starting with a spreadsheet. For 30 years, app development had barely changed.
Glide is a Y Combinator company in the Winter 2019 batch. Its directory entry describes it as: Glide turns spreadsheets into beautiful, intelligent apps. The founders listed are Mark Probst (Founder), David Siegel (Founder), Jason Smith (Founder) (Y Combinator directory entry, December 5, 2018).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
Glide is a web-based app builder that allows non-programmers to quickly create powerful and beautiful internal business apps by starting from scratch, starting with a prompt, or starting with a spreadsheet.
For 30 years, app development had barely changed. When Glide launched, we brought app development out of the Dark Ages, making it web-based, collaborative, accessible, and fun.
Today, the influence of AI on coding has propelled app development even further. And Glide has risen to the occasion. The next generation of Glide gives users an AI-first method for building internal business software without worrying about granular-level control, security, authentication, database infrastructure, or deployment woes.
Our mission is to become the operating system for your business by helping you turn all of your operational spreadsheets and data into beautiful, intelligent apps.
We're three technical founders with expertise in native mobile frameworks, developer tools, and product design. We've worked together for 5-10 years, and were all early employees at Xamarin, a mobile developer tools startup acquired by Microsoft in 2016.
Mark Probst
Founder
David Siegel
Founder
Jason Smith
Founder
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 634 companies held here in B2B › Engineering, Product and Design.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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What the Full Report on Glide covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
1 cited source found
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