PartBolt is described as 'makes it easy for you to track and organize electronic components. You’ll know exactly what you have and where it is. In addition, you can track projects that you create with your parts, meaning that you'll know what parts are being used where' and is an app in the Education & Reference category. There are four alternatives to PartBolt for a variety of platforms, including Online / Web-based, PHP, PostgreSQL, Self-Hosted solutions and Symfony2. The best alternative is PartKeepr, which is both free and Open Source. Other great apps like PartBolt are PartsBox (Freemium), Aligni (Freemium) and BOMIST (Freemium).
PartsBox is an online app for keeping track of electronic parts and projects. It helps in managing parts inventory, supports designers by keeping documents (datasheets, PDFs, 3D models) together with part data, and provides BOM pricing with supplier selection.