Complete, always up-to-date lists of outstanding bonds, from the official EU register (FIRDS/ESMA). Pick a category: government bonds, supranational bonds or corporate. For each bond you get ISIN, coupon type, currency, maturity and exchange — not prices, which you'll see at your broker.
Government bonds from 31 European countries (EU, UK, Switzerland): BTPs, Bunds, OATs, Bonos, Gilts and the rest, by country.
Multilateral development banks and stability mechanisms: EIB, ESM, EFSF, World Bank, EBRD and others.
Bonds from large companies, by issuer: banks, energy, telecom, pharma, tech, industrials, autos.