Technical blog | VisibleSoftArticles on custom software development, legacy system modernization and Spain's RD-Ley 8/2019 compliance, from real projects with Spanish SMEs.https://www.visiblesoft.com/enCustom software vs SaaS: when to choose eachhttps://www.visiblesoft.com/en/blog/custom-software-vs-saas-when-to-choose/https://www.visiblesoft.com/en/blog/custom-software-vs-saas-when-to-choose/An honest decision matrix between custom software and standard SaaS for SMBs: when each one wins, the hidden costs of each option, and the 6 anti-patterns that reveal you chose wrong.Wed, 13 May 2026 00:00:00 GMTJosé Luis GarcíaHow to choose a custom software development partner: red flags, what to ask and how to evaluate proposalshttps://www.visiblesoft.com/en/blog/how-to-choose-custom-software-partner/https://www.visiblesoft.com/en/blog/how-to-choose-custom-software-partner/Guide for SMB directors who have never hired a development partner: how to detect red flags before signing, what to ask in the first meeting, and how to evaluate proposals beyond the price tag.Wed, 13 May 2026 00:00:00 GMTJosé Luis GarcíaMigrating from Excel to custom software: when, how and what to avoidhttps://www.visiblesoft.com/en/blog/migrating-from-excel-to-custom-software/https://www.visiblesoft.com/en/blog/migrating-from-excel-to-custom-software/When Excel stops working, the 3 typical traps when migrating to custom software, and how we approach a real migration for SMBs without losing what Excel was actually delivering.Wed, 13 May 2026 00:00:00 GMTJosé Luis GarcíaModernizing a legacy ERP: when to migrate and when not tohttps://www.visiblesoft.com/en/blog/modernizing-legacy-erp-when-to-migrate/https://www.visiblesoft.com/en/blog/modernizing-legacy-erp-when-to-migrate/When your inherited ERP has outgrown your needs, the objective signals to watch before deciding, the four real modernization strategies, and how to choose between migrating, extending, or replacing.Wed, 13 May 2026 00:00:00 GMTJosé Luis GarcíaWhen you DON'T need custom software: 6 scenarios where an honest partner saves you moneyhttps://www.visiblesoft.com/en/blog/when-you-dont-need-custom-software/https://www.visiblesoft.com/en/blog/when-you-dont-need-custom-software/The 6 scenarios where hiring custom software is the wrong decision for an SMB. The 3-question test, cheaper alternatives in order of cost, and why a serious vendor will tell you even if it loses them the contract.Wed, 13 May 2026 00:00:00 GMTJosé Luis García