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Software as a Service

lastmod 2025-11-12created 2015-03-1222 edits

SaaS (Software as a Service), also called "on-demand software", is a software delivery model in which software and its associated data are hosted centrally and users access them through a client such as a web browser.

It is an extension of the earlier ASP concept and can be seen as next-generation ASP. SaaS and ASP differ as follows.

  • SaaS is business-oriented from an e-commerce perspective, whereas ASP is based on the Coasian Economics of IT outsourcing.
  • SaaS focuses on providing IT services to an unspecified mass of customers, so it emphasizes scalability and customization to customer requirements.
  • Unlike ASP, which began with Kodak's IT outsourcing in 1989, SaaS focuses on creating customer value and meeting customer needs.

Recent success stories include CRMKorea, Salesforce.com, and RightNow in customer relationship management (CRM), as well as accounting, a field where this has long been done. The shift from buying software to renting it is spreading steadily; not only small and medium-sized businesses but also large enterprises are actively considering adoption, and it is widely used.

Categories

About SaaS

What is SaaS (software as a service)? Business innovation delivered from the cloud

Software as a service (SaaS), or cloud application services, is the most comprehensive form of cloud computing service: all applications are managed by the provider and delivered through a web browser.

The provider handles software updates, bug fixes, and other general software maintenance, and users connect to the application through a dashboard or API. There is no need to install the software on individual machines, and group access to the program is smoother and more reliable.

If you have an email account with a web-based service such as Outlook or Gmail, you are already familiar with SaaS, since you can log in to your account and receive email from any computer, anywhere.

SaaS is a very useful option for small businesses that lack the staff or bandwidth to handle software installation and updates, and that have applications needing little optimization or used only periodically.

SaaS can save time and maintenance, but it comes at a cost in control, security, and performance, so it is important to choose a trustworthy provider.

Dropbox, Salesforce, Google Apps, and Red Hat Insights are some examples of SaaS.

IaaS vs PaaS vs SaaS

IaaS_vs_PaaS_vs_SaaS.jpg

Projects

  • 15 IaaS (Infrastructure Software as a Service) examples
  • 15 popular PaaS (Platform as a Service) examples
  • 15 popular SaaS (Software as a Service) examples
  • Drop Box
  • Slack
  • Micro SaaS products earning 1 to 10 million won a month by offering simple automations | GeekNews 1
    • QAPop: a tool that finds popular questions on Quora and markets your product there
    • BlackMagic: changes your Twitter banner in real time
    • EavesDrop: monitors online communities to find potential customers
    • DataFetcher: imports any data into Airtable
    • Messaged: email marketing automation for SaaS
    • Howitzer: marketing automation tool for Reddit (finds potential leads, DMs and chat)
    • OnPodium: automatically builds websites for podcasts
    • BlkBox: Facebook marketing automation
    • Ousia: quickly creates SEO-optimized content
    • DocTranslator: translates Word/Excel/PPT/PDF/InDesign and other documents into more than 100 languages
    • Listnr: generates high-quality Text-To-Voice using various cloud TTS services (74 languages, 600+ voices)
    • Notion2Sheets: syncs Notion with Google Sheets
    • ABTesting: A/B testing automation
    • AIHello: Amazon PPC (Pay-per-click) automation for Amazon sellers
    • SalesLoop: automation tool that finds potential customers
    • Warmbox: warms up your marketing email accounts to build reputation and raise email deliverability
    • Approximated: a tool that automatically attaches custom domains to any SaaS
  • Psychic - platform that integrates SaaS data with AI
  • OpenSaaS - free/open-source SaaS template based on React & Node.js
  • The tech stack of Healthchecks.io, a one-person SaaS | GeekNews
    • [Original] Healthchecks.io Hosting Setup, 2022 Edition – Healthchecks.io
    • AWS S3 - DB backup storage
    • Braintree - payments and subscription management
    • Cloudflare - DNS
    • Elastic Email - sending transactional email
    • Fastmail - receiving/sending customer support email
    • GitHub - version control and tracking, runs tests on every commit with GitHub Actions
    • Hardypress - runs the service blog (static WordPress hosting service)
    • HetrixTools - uptime monitoring
    • IcoMoon - authoring icon fonts
    • pgDash - PostgreSQL server monitoring
    • PingPong - runs the service status page
    • SSLMate - Certificate Provisioning from the command line
    • Syften - get notified when the Healthchecks service is mentioned on HN, Twitter, Reddit, etc.
    • Twillio - SMS sending, Whatsapp and phone call notifications

Korean: 인증

  • Tesseral - open-source B2B SaaS authentication infrastructure platform

See also

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References

  1. Issue#54: Building $1K - $10K MRR Micro SaaS around Simple Automations ↩

  2. Introduction_to_the_gitple_technology_stack_-_backend.pdf ↩

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