Open source focus
Open Source Alternatives to Buildxact
60 open source Construction Tech options similar to Buildxact, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Fieldlens57Construction TechTampa, United States$17.7MOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Xplor Spot33Vertical SaaSTel Aviv, Israel$1.0MOpen source
Kountertop17Vertical SaaSOpen source
- ERERPNext0Enterprise SoftwareBangalore, India
Open source · Self-hostable
GigkeeperFreelancer ToolsTel Aviv, IsraelOpen source
Onsite MondayConstruction TechSingapore, United Kingdom$1.3MOpen source
HousesofbuildersConstruction TechOpen source
PlanroomiqConstruction TechOpen source
Wix85WebsiteTel Aviv, Israel$1.3BOpen source
WooCommerce (Automattic)79E-commerceSan Francisco, United States$815.7MOpen source · Self-hostable
Birdeye70Reputation ManagementPalo Alto, United States$85.0MOpen source
Weave70Voice AILehi, United StatesOpen source
Quickbase69Work ManagementWaltham, United States$1.0BOpen source
ClickUp67Project ManagementSan Francisco, United States$531.5MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
Candid Intelligence, Inc.63Construction TechSan Francisco, United States$207.0MOpen source
GreytHR62HR TechBangalore, India$5.0MOpen source
Sitetracker61Infrastructure ManagementBerkeley, United States$42.0MOpen source
Probo59SMB SoftwareTel Aviv, Israel$2.5MOpen source · Self-hostable
Harri58HR TechNew York, United States$80.0MOpen source
Jimdo58Website BuilderHamburg, Germany$27.5MOpen source
Linear57SoftwareSan Francisco, United States$134.0MOpen source
April57FintechNew York, United States$78.0MOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Tot54Creative OperationsNew York, United States$7.6MOpen source
Falkbuilt Ltd.54Advanced ManufacturingCalgary, CanadaOpen source
Dinero54FintechStockholm, Sweden$1.2MOpen source
AYD54Creator EconomySan Francisco, United StatesOpen source
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
OpenSpace50SpaceTechSan Francisco, United StatesOpen source
Dub48MarTechSan Francisco, United States$17.0MOpen source
Nearpod48EdTechFort Lauderdale, United StatesOpen source
Choco Insurance47FintechTel Aviv, IsraelOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Tesora44Agentic AISan Francisco, United States$10.0MOpen source
Sauce Technologies43Enterprise SoftwareNew York, United StatesOpen source
- ATAttio41CRMLondon, United Kingdom$93.5M
Open source
Ann Education40Education$1.0MOpen source
Falkbuilt .39Construction TechCalgary, CanadaOpen source
ShiftCare37HealthTechSydney, AustraliaOpen source
RTC36TransportationOmaha, United States$8.8MOpen source
Capably35Creative OperationsNew York, United States$12.0MOpen source
Bothy35Nonprofit SoftwareSan Francisco, United States$1.5MOpen source
Dig Robotics33RoboticsTel Aviv, IsraelOpen source
BidGemmer32DiamondTel Aviv, IsraelOpen source
Kayko31FintechKigali, RwandaOpen source
Jira30SaaSSydney, AustraliaOpen source
Constrol27ConstructionTel Aviv, IsraelOpen source
herocon.ai27Agentic AI$2.0MOpen source
Flectra27Open SourceAhmedabad, IndiaOpen source · Self-hostable
Biz Bloom24Agentic AITel Aviv, IsraelOpen source
Mercury Technologies, .19FintechSan Francisco, United StatesOpen source
Fiducia AI18Artificial IntelligenceNew York, United StatesOpen source
Sparkboardapp18Collaboration SoftwareOpen source
Dolibarr18Open SourceOpen source · Self-hostable
Instructor Place17EdTechLondon, United KingdomOpen source
Gran Cursos Online16EdTechBrasília, BrazilOpen source
SourcingBot.com13IndustrialOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Fieldlens | Construction Tech | Open source | Tampa, United States | $17.7M | 57 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| Xplor Spot | Vertical SaaS | Open source | Tel Aviv, Israel | $1.0M | 33 |
| Kountertop | Vertical SaaS | Open source | — | — | 17 |
| ERERPNext | Enterprise Software | Open source · Self-hostable | Bangalore, India | — | 0 |
| Gigkeeper | Freelancer Tools | Open source | Tel Aviv, Israel | — | — |
| Onsite Monday | Construction Tech | Open source | Singapore, United Kingdom | $1.3M | — |
| Housesofbuilders | Construction Tech | Open source | — | — | — |
| Planroomiq | Construction Tech | Open source | — | — | — |
| Wix | Website | Open source | Tel Aviv, Israel | $1.3B | 85 |
| WooCommerce (Automattic) | E-commerce | Open source · Self-hostable | San Francisco, United States | $815.7M | 79 |
| Birdeye | Reputation Management | Open source | Palo Alto, United States | $85.0M | 70 |
| Weave | Voice AI | Open source | Lehi, United States | — | 70 |
| Quickbase | Work Management | Open source | Waltham, United States | $1.0B | 69 |
| ClickUp | Project Management | Open source | San Francisco, United States | $531.5M | 67 |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 |
| Mercury | Fintech | Open source | San Francisco, United States | $500.0M | 64 |
| Candid Intelligence, Inc. | Construction Tech | Open source | San Francisco, United States | $207.0M | 63 |
| GreytHR | HR Tech | Open source | Bangalore, India | $5.0M | 62 |
| Sitetracker | Infrastructure Management | Open source | Berkeley, United States | $42.0M | 61 |
| Probo | SMB Software | Open source · Self-hostable | Tel Aviv, Israel | $2.5M | 59 |
| Harri | HR Tech | Open source | New York, United States | $80.0M | 58 |
| Jimdo | Website Builder | Open source | Hamburg, Germany | $27.5M | 58 |
| Linear | Software | Open source | San Francisco, United States | $134.0M | 57 |
| April | Fintech | Open source | New York, United States | $78.0M | 57 |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 |
| Tot | Creative Operations | Open source | New York, United States | $7.6M | 54 |
| Falkbuilt Ltd. | Advanced Manufacturing | Open source | Calgary, Canada | — | 54 |
| Dinero | Fintech | Open source | Stockholm, Sweden | $1.2M | 54 |
| AYD | Creator Economy | Open source | San Francisco, United States | — | 54 |
| Plane | Project Management | Open source | San Francisco, United States | $4.0M | 53 |
| OpenSpace | SpaceTech | Open source | San Francisco, United States | — | 50 |
| Dub | MarTech | Open source | San Francisco, United States | $17.0M | 48 |
| Nearpod | EdTech | Open source | Fort Lauderdale, United States | — | 48 |
| Choco Insurance | Fintech | Open source | Tel Aviv, Israel | — | 47 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Tesora | Agentic AI | Open source | San Francisco, United States | $10.0M | 44 |
| Sauce Technologies | Enterprise Software | Open source | New York, United States | — | 43 |
| ATAttio | CRM | Open source | London, United Kingdom | $93.5M | 41 |
| Ann Education | Education | Open source | — | $1.0M | 40 |
| Falkbuilt . | Construction Tech | Open source | Calgary, Canada | — | 39 |
| ShiftCare | HealthTech | Open source | Sydney, Australia | — | 37 |
| RTC | Transportation | Open source | Omaha, United States | $8.8M | 36 |
| Capably | Creative Operations | Open source | New York, United States | $12.0M | 35 |
| Bothy | Nonprofit Software | Open source | San Francisco, United States | $1.5M | 35 |
| Dig Robotics | Robotics | Open source | Tel Aviv, Israel | — | 33 |
| BidGemmer | Diamond | Open source | Tel Aviv, Israel | — | 32 |
| Kayko | Fintech | Open source | Kigali, Rwanda | — | 31 |
| Jira | SaaS | Open source | Sydney, Australia | — | 30 |
| Constrol | Construction | Open source | Tel Aviv, Israel | — | 27 |
| herocon.ai | Agentic AI | Open source | — | $2.0M | 27 |
| Flectra | Open Source | Open source · Self-hostable | Ahmedabad, India | — | 27 |
| Biz Bloom | Agentic AI | Open source | Tel Aviv, Israel | — | 24 |
| Mercury Technologies, . | Fintech | Open source | San Francisco, United States | — | 19 |
| Fiducia AI | Artificial Intelligence | Open source | New York, United States | — | 18 |
| Sparkboardapp | Collaboration Software | Open source | — | — | 18 |
| Dolibarr | Open Source | Open source · Self-hostable | — | — | 18 |
| Instructor Place | EdTech | Open source | London, United Kingdom | — | 17 |
| Gran Cursos Online | EdTech | Open source | Brasília, Brazil | — | 16 |
| SourcingBot.com | Industrial | Open source | — | — | 13 |