Technical selection of platforms without financial barrier to entry: permanent free tiers, self-hosted projects, and open-source alternatives.
Exact breakdown of quotas, credit card requirements, and commercial allowances before requiring an upgrade.
| Tool | Model | Conditions | Free Tier Details | SSO Tax | Action |
|---|---|---|---|---|---|
| Md2Docx | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | 100% Free and open source without commercial limits. | Standard | Try |
| Xano | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Permanent free tier with monthly usage allowances. | Standard | Try |
| Airtable | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso a bases ilimitadas en número con un límite estricto de registros totales por base y espacio limitado de almacenamiento de adjuntos. | Single Sign-On Tax (Enterprise SAML) | Try |
| Webflow | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Permite diseñar, maquetar y probar sitios web utilizando dominios de prueba de Webflow de forma gratuita e indefinida con limitaciones de páginas y tráfico. | Single Sign-On Tax (Enterprise SAML) | Try |
| Flockbay | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Descarga gratuita con acceso a IA alojada gratuita para comenzar y ejecución de proyectos locales sin límite de tiempo. | Standard | Try |
| Budibase | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Incluye 1 creador, créditos limitados de IA y conectividad básica a bases de datos con registros limitados en el tiempo. | Single Sign-On Tax (Enterprise SAML) | Try |
| Appsmith | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Versión comunitaria gratuita e indefinida para despliegues auto-hospedados con acceso a las características principales de desarrollo. | Single Sign-On Tax (Enterprise SAML) | Try |
| Softr | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Plan gratuito permanente con límites de usuarios y bloques básicos. | Single Sign-On Tax (Enterprise SAML) | Try |
| Datastripes | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Crea cuadros de mando instantáneos gratuitos a partir de archivos de hoja de cálculo sin coste inicial. | Standard | Try |
| Seamcult | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso completo gratuito durante la fase de acceso anticipado sin restricciones de uso indicadas. | Standard | Try |
| ToolJet | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Permite iniciar gratis por cada constructor con usuarios finales ilimitados en ciertos escenarios y sin límite de tiempo de prueba. | Single Sign-On Tax (Enterprise SAML) | Try |
| Glide | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Plan gratuito permanente con límites estrictos en el número de filas y usuarios activos, adecuado para prototipos. | Single Sign-On Tax (Enterprise SAML) | Try |
| Lovable | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Incluye créditos iniciales gratuitos y acceso a capacidades básicas de generación de aplicaciones web sin coste inicial. | Standard | Try |
| Retool | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Permanent free tier with monthly usage allowances. | Single Sign-On Tax (Enterprise SAML) | Try |
| Framer | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Nivel gratuito permanente disponible para experimentación y diseño visual con limitaciones de tráfico y branding. | Single Sign-On Tax (Enterprise SAML) | Try |
| KerfScript | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | 100% Free and open source without commercial limits. | Standard | Try |
| AXL | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | El plan gratuito incluye 500 contactos, 5 GB de almacenamiento, 5,000 correos y 5,000 mensajes con límites estrictos. | Standard | Try |
| NativeAppTemplate | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso libre al backend API y componentes bajo licencia open-source MIT según se especifica en el repositorio público. | Standard | Try |
| Stacker | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Comienza gratis con 100 dólares en créditos y sin requerir tarjeta de crédito. | Single Sign-On Tax (Enterprise SAML) | Try |
| Mendix | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Nivel gratuito disponible para desarrollo y pruebas iniciales en la nube comunitaria de Mendix. | Single Sign-On Tax (Enterprise SAML) | Try |
| FlutterFlow | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso permanente al constructor visual con limitaciones en proyectos concurrentes y funciones de equipo. | Single Sign-On Tax (Enterprise SAML) | Try |
| BuildShip | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Incluye ejecuciones limitadas de flujos y acceso a nodos estándar sin necesidad de tarjeta de crédito. | Single Sign-On Tax (Enterprise SAML) | Try |
| Builder.io | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | Incluye acceso al editor visual, hasta un número limitado de solicitudes de API mensuales y soporte comunitario. | Single Sign-On Tax (Enterprise SAML) | Try |
| Carrd | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Hasta 3 sitios web con funciones principales y sin coste por tiempo indefinido. | Standard | Try |
| Relume | Free | No credit card requiredCommercial use allowedOne-time trial credits | Gratuito para empezar con límites en proyectos y funciones. | Standard | Try |
| UiPath | Freemium | No credit card requiredRestricted to personal / non-commercial useUnlimited usage with no expiration | Nivel comunitario gratuito ilimitado en el tiempo para uso personal, aprendizaje y desarrollo inicial con capacidades básicas de automatización. | Single Sign-On Tax (Enterprise SAML) | Try |
| Bubble | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | El plan gratuito ofrece acceso completo al entorno de desarrollo con la marca de Bubble visible y límites en la capacidad de la base de datos. | Single Sign-On Tax (Enterprise SAML) | Try |
| Widgeteer | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Permite crear y utilizar widgets básicos en cualquier sitio web sin límite de tiempo y sin necesidad de tarjeta de crédito. | Standard | Try |
| Power Apps | Freemium | No credit card requiredRestricted to personal / non-commercial useUnlimited usage with no expiration | El plan para desarrolladores ofrece entornos de pruebas gratuitos e ilimitados para un solo usuario sin uso comercial en producción. | Single Sign-On Tax (Enterprise SAML) | Try |
| Adalo | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Nivel gratuito permanente disponible para diseñar, construir y probar aplicaciones con límites de registros y marca visible de la plataforma. | Single Sign-On Tax (Enterprise SAML) | Try |
| Linktree | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | El plan gratuito incluye enlaces ilimitados en la biografía, visualización de analíticas básicas y temas estándar sin coste mensual. | Standard | Try |
| Wix | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Plan gratuito con marca de agua Wix, almacenamiento y ancho de banda limitados bajo un subdominio wixsite.com. | Standard | Try |
| NyNeon Tools | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso libre e ilimitado a todas las herramientas web disponibles en la plataforma sin requerir pagos. | Standard | Try |
| StackForge CV | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso completo y permanente a todas las plantillas y herramientas de exportación sin restricciones de uso. | Standard | Try |
| Greta.sh | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | 100% Free and open source without commercial limits. | Standard | Try |
| Make Python Great Again | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso libre e indefinido a todas las herramientas web y descargas de escritorio proporcionadas en el sitio. | Standard | Try |
| Our Silly Games | Free | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Acceso libre e indefinido a todos los juegos publicados y herramientas de desarrollo sin restricciones de tiempo ni cobros ocultos. | Standard | Try |
| Confetti | Freemium | No credit card requiredCommercial use allowedMonthly recurring quota reset | 25 créditos al mes y 100 créditos de bienvenida al registrarse. | Standard | Try |
| Typedream | Freemium | No credit card requiredCommercial use allowedUnlimited usage with no expiration | Plan gratuito disponible para la creación de sitios web con marca de la plataforma y limitaciones funcionales. | Standard | Try |
| Wanaka | Freemium | No credit card requiredRestricted to personal / non-commercial useMonthly recurring quota reset | Acceso gratuito limitado para explorar el estudio de desarrollo y prototipar mundos virtuales básicos. | Standard | Try |
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